Tohutoro APA (7th ed.)

CRAWLEY, G. M. (1975). Energy. Macmillan.

Tohutoru Kātū Chicago (17th ed.)

CRAWLEY, Gerard M. Energy. New York: Macmillan, 1975.

Tohutoro MLA (9th ed.)

CRAWLEY, Gerard M. Energy. Macmillan, 1975.