APA

Chen M ... [et al.], Andersen R M, Barmes David E, Leclerq M H, Lyttle C S, WHO Oral Health Programme & International Collaborative Study on Oral Health Care Systems (2nd). (1997). Comparing oral health care systems : a second international collaborative study. Geneva: World Health Organization.

Chicago

Chen M ... [et al.], Andersen R M, Barmes David E, Leclerq M H, Lyttle C S, WHO Oral Health Programme and International Collaborative Study on Oral Health Care Systems (2nd). 1997. Comparing oral health care systems : a second international collaborative study. Geneva: World Health Organization.

Harvard

Chen M ... [et al.], Andersen R M, Barmes David E, Leclerq M H, Lyttle C S, WHO Oral Health Programme and International Collaborative Study on Oral Health Care Systems (2nd). (1997). Comparing oral health care systems : a second international collaborative study. Geneva: World Health Organization.

MLA

Chen M ... [et al.], Andersen R M, Barmes David E, Leclerq M H, Lyttle C S, WHO Oral Health Programme and International Collaborative Study on Oral Health Care Systems (2nd). Comparing oral health care systems : a second international collaborative study. Geneva: World Health Organization. 1997.