Dyfyniad APA

Davidson, R. H., & Oleszek, W. J. (1981). Congress and its members. Congressional Quarterly Press.

Dyfyniad Arddull Chicago

Davidson, Roger H., and Walter J. Oleszek. Congress and Its Members. Washington, D.C: Congressional Quarterly Press, 1981.

Dyfyniad MLA

Davidson, Roger H., and Walter J. Oleszek. Congress and Its Members. Congressional Quarterly Press, 1981.

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