APA (7th ed.) Zitazioa

Cooper, M. (1969). Gift from the sun: The mastering of energy. Bradbary Pr..

Chicago Style (17th ed.) Zitazioa

Cooper, Margaret. Gift from the Sun: The Mastering of Energy. Englewood Cliffs, N.J.: Bradbary Pr., 1969.

MLA (9th ed.) Zitazioa

Cooper, Margaret. Gift from the Sun: The Mastering of Energy. Bradbary Pr., 1969.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.