APA (7. basım) Alıntı

Hagel, I. (1976). Alternative energy strategies: Constraints and opportunities. Praeger.

Chicago Style (17. basım) Atıf

Hagel, III. Alternative Energy Strategies: Constraints and Opportunities. New York: Praeger, 1976.

MLA (9th ed.) Atıf

Hagel, III. Alternative Energy Strategies: Constraints and Opportunities. Praeger, 1976.