APA (7th ed.) Zitazioa

ebrary, Inc, & Anderson, D. (2007). The khat controversy: Stimulating the debate on drugs. Berg.

Chicago Style (17th ed.) Zitazioa

ebrary, Inc, eta David Anderson. The Khat Controversy: Stimulating the Debate on Drugs. New York, N.Y.: Berg, 2007.

MLA (9th ed.) Zitazioa

ebrary, Inc, eta David Anderson. The Khat Controversy: Stimulating the Debate on Drugs. Berg, 2007.