APA
United Nations Non-Governmental Liaison Service, . (2001). NGO responses to HIV/AIDS. Switzerland: United Nations Non-Governmental Liaison Service (NGLS).
Chicago
United Nations Non-Governmental Liaison Service, . 2001. NGO responses to HIV/AIDS. Switzerland: United Nations Non-Governmental Liaison Service (NGLS).
Harvard
United Nations Non-Governmental Liaison Service, . (2001). NGO responses to HIV/AIDS. Switzerland: United Nations Non-Governmental Liaison Service (NGLS).
MLA
United Nations Non-Governmental Liaison Service, . NGO responses to HIV/AIDS. Switzerland: United Nations Non-Governmental Liaison Service (NGLS). 2001.