APA (7th ed.) Zitazioa
Nkengasong, J. N. (2010). Black caps and red feathers: And, Ancestral earth : (two plays). Langaa Research & Pub..
Chicago Style (17th ed.) Zitazioa
Nkengasong, John Nkemngong. Black Caps and Red Feathers: And, Ancestral Earth : (two Plays). Bamenda [Cameroon]: Langaa Research & Pub., 2010.
MLA (9th ed.) Zitazioa
Nkengasong, John Nkemngong. Black Caps and Red Feathers: And, Ancestral Earth : (two Plays). Langaa Research & Pub., 2010.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.