APA (7th ed.) Zitazioa
Warnier, J. (2012). Cameroon grassfields civilization. Langaa Research & Pub. CIG.
Chicago Style (17th ed.) Zitazioa
Warnier, Jean-Pierre. Cameroon Grassfields Civilization. Mankon, Cameroon: Langaa Research & Pub. CIG, 2012.
MLA (9th ed.) Zitazioa
Warnier, Jean-Pierre. Cameroon Grassfields Civilization. Langaa Research & Pub. CIG, 2012.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.