APA
Liverpool John Moores University. Centre for Public Health. WHO Collaborating Centre for Violence Prevention, Liverpool John Moores University. Centre for Public Health. WHO Collaborating Centre for Violence Prevention, . (2009). Preventing violence by developing life skills in children and adolescents. Geneva: World Health Organization.
Chicago
Liverpool John Moores University. Centre for Public Health. WHO Collaborating Centre for Violence Prevention, Liverpool John Moores University. Centre for Public Health. WHO Collaborating Centre for Violence Prevention, . 2009. Preventing violence by developing life skills in children and adolescents. Geneva: World Health Organization.
Harvard
Liverpool John Moores University. Centre for Public Health. WHO Collaborating Centre for Violence Prevention, Liverpool John Moores University. Centre for Public Health. WHO Collaborating Centre for Violence Prevention, . (2009). Preventing violence by developing life skills in children and adolescents. Geneva: World Health Organization.
MLA
Liverpool John Moores University. Centre for Public Health. WHO Collaborating Centre for Violence Prevention, Liverpool John Moores University. Centre for Public Health. WHO Collaborating Centre for Violence Prevention, . Preventing violence by developing life skills in children and adolescents. Geneva: World Health Organization. 2009.