(1989). U.S.A.
Tohutoru Kātū Chicago (17th ed.)U.S.A. 1989.
Tohutoro MLA (9th ed.)U.S.A. 1989.
Kia tūpato: Kāore pea ēnei kupu hautoa i te ōrite pū 100%.
Tohutoro APA (7th ed.)
(1989). U.S.A.
Tohutoru Kātū Chicago (17th ed.)U.S.A. 1989.
Tohutoro MLA (9th ed.)U.S.A. 1989.