APA aipamena

Colley, D. G., Addiss, D., & Chitsulo, L. (1998). Schistosomiasis. World Health Organization.

Chicago Style aipamena

Colley, D. G., D. Addiss, and L. Chitsulo. Schistosomiasis. World Health Organization, 1998.

MLA aipamena

Colley, D. G., D. Addiss, and L. Chitsulo. Schistosomiasis. World Health Organization, 1998.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.