Evans, B. A., & Macrae, K. D. (1987). AIDS and intravenous drug use.
Chicago Style aipamenaEvans, B A., and K D. Macrae. AIDS and Intravenous Drug Use. 1987.
MLA aipamenaEvans, B A., and K D. Macrae. AIDS and Intravenous Drug Use. 1987.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.