Cita APA (7th ed.)
Anderson, W., & Holzapfel, R. (1998). European aids directory: 1998 (5. ed.). NAM Publication.
Cita Chicago (17th ed.)
Anderson, Will, i Rolf Holzapfel. European Aids Directory: 1998. 5. ed. London: NAM Publication, 1998.
Cita MLA (9th ed.)
Anderson, Will, i Rolf Holzapfel. European Aids Directory: 1998. 5. ed. NAM Publication, 1998.
Atenció: Aquestes cites poden no estar 100% correctes.