Tohutoro APA (7th ed.)

Pious, R. M. (1979). The american presidency. Basic Books.

Tohutoru Kātū Chicago (17th ed.)

Pious, Richard M. The American Presidency. Nueva York: Basic Books, 1979.

Tohutoro MLA (9th ed.)

Pious, Richard M. The American Presidency. Basic Books, 1979.