Dyfyniad APA

Polsby, N. W. (1964). Congress and the Presidency. Prentice-Hall of India.

Dyfyniad Arddull Chicago

Polsby, Nelson W. Congress and the Presidency. New Jersey: Prentice-Hall of India, 1964.

Dyfyniad MLA

Polsby, Nelson W. Congress and the Presidency. Prentice-Hall of India, 1964.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.