APA-viite (7. p.)
Nkengasong, J. N. (2010). Black caps and red feathers: And, Ancestral earth : (two plays). Langaa Research & Pub..
Chicago-viite (17. p.)
Nkengasong, John Nkemngong. Black Caps and Red Feathers: And, Ancestral Earth : (two Plays). Bamenda [Cameroon]: Langaa Research & Pub., 2010.
MLA-viite (9. p.)
Nkengasong, John Nkemngong. Black Caps and Red Feathers: And, Ancestral Earth : (two Plays). Langaa Research & Pub., 2010.
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