APA (7th ed.) Zitazioa
Gathuci, R. W. (2011). Psychological and behavioural effects of chewing khat among the youth in Embu Municipality. Daystar University.
Chicago Style (17th ed.) Zitazioa
Gathuci, Rahab Wangari. Psychological and Behavioural Effects of Chewing Khat Among the Youth in Embu Municipality. Nairobi: Daystar University, 2011.
MLA (9th ed.) Zitazioa
Gathuci, Rahab Wangari. Psychological and Behavioural Effects of Chewing Khat Among the Youth in Embu Municipality. Daystar University, 2011.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.