APA (7th ed.) Zitazioa

Njoku, B. C. (1984). The four novels of Chinua Achebe: A critical study. Peter Lang.

Chicago Style (17th ed.) Zitazioa

Njoku, Benedict Chiaka. The Four Novels of Chinua Achebe: A Critical Study. New York: Peter Lang, 1984.

MLA (9th ed.) Zitazioa

Njoku, Benedict Chiaka. The Four Novels of Chinua Achebe: A Critical Study. Peter Lang, 1984.