APA-viite (7. p.)
Wren, R. M. (1980). Achebe's world: The historical and cultural context of the novels of Chinua Achebe. Longman.
Chicago-viite (17. p.)
Wren, Robert M. Achebe's World: The Historical and Cultural Context of the Novels of Chinua Achebe. Burnt Mill: Longman, 1980.
MLA-viite (9. p.)
Wren, Robert M. Achebe's World: The Historical and Cultural Context of the Novels of Chinua Achebe. Longman, 1980.
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