Dyfyniad APA

Cohen, J. G., & Scarlet, W. (1931). Modern pioneers. Allyn and Bacon.

Dyfyniad Arddull Chicago

Cohen, Joseph George, and Will Scarlet. Modern Pioneers. Boston : New York [etc.]: Allyn and Bacon, 1931.

Dyfyniad MLA

Cohen, Joseph George, and Will Scarlet. Modern Pioneers. Allyn and Bacon, 1931.

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