Dyfyniad APA

Abbott, L. D. (1973). Masterworks of Government. McGraw-Hill.

Dyfyniad Arddull Chicago

Abbott, Leonard Dalton. Masterworks of Government. New York: McGraw-Hill, 1973.

Dyfyniad MLA

Abbott, Leonard Dalton. Masterworks of Government. McGraw-Hill, 1973.

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