APA ציטוט

Feachem, R. G., & Avery, D. (2001). The Bulletin in 2001. World Health Organization.

Citação norma Chicago

Feachem, R. G., and D. Avery. The Bulletin in 2001. World Health Organization, 2001.

ציטוט MLA

Feachem, R. G., and D. Avery. The Bulletin in 2001. World Health Organization, 2001.