Cita APA (7th ed.)
Cooper, B. (1997). European aids directory (4. ed.). Nam Publications.
Cita Chicago (17th ed.)
Cooper, Brian. European Aids Directory. 4. ed. London: Nam Publications, 1997.
Cita MLA (9th ed.)
Cooper, Brian. European Aids Directory. 4. ed. Nam Publications, 1997.
Atenció: Aquestes cites poden no estar 100% correctes.