APA aipamena

Barber, J. D. (1974). Choosing the president. N J Prentice Hall.

Chicago Style aipamena

Barber, James David. Choosing the President. Cliffs: N J Prentice Hall, 1974.

MLA aipamena

Barber, James David. Choosing the President. N J Prentice Hall, 1974.