APA
Regional Workshop on Health and Technical Aspects of Nightsoil and Wastewater Use (1990 : Kuala Lumpur), Regional Centre for the Promotion of Environmental Planning and Applied Studies, . (1990). Regional Workshop on Health and Technical Aspects of Nightsoil and Wastewater Use, Kuala Lumpur, Malaysia, 24-28 September 1990 : report. Kuala Lumpur: PEPAS.
Chicago
Regional Workshop on Health and Technical Aspects of Nightsoil and Wastewater Use (1990 : Kuala Lumpur), Regional Centre for the Promotion of Environmental Planning and Applied Studies, . 1990. Regional Workshop on Health and Technical Aspects of Nightsoil and Wastewater Use, Kuala Lumpur, Malaysia, 24-28 September 1990 : report. Kuala Lumpur: PEPAS.
Harvard
Regional Workshop on Health and Technical Aspects of Nightsoil and Wastewater Use (1990 : Kuala Lumpur), Regional Centre for the Promotion of Environmental Planning and Applied Studies, . (1990). Regional Workshop on Health and Technical Aspects of Nightsoil and Wastewater Use, Kuala Lumpur, Malaysia, 24-28 September 1990 : report. Kuala Lumpur: PEPAS.
MLA
Regional Workshop on Health and Technical Aspects of Nightsoil and Wastewater Use (1990 : Kuala Lumpur), Regional Centre for the Promotion of Environmental Planning and Applied Studies, . Regional Workshop on Health and Technical Aspects of Nightsoil and Wastewater Use, Kuala Lumpur, Malaysia, 24-28 September 1990 : report. Kuala Lumpur: PEPAS. 1990.