Dyfyniad APA

Atwood, W. W. (1929). The americas: The earth and its people. Ginn and Company.

Dyfyniad Arddull Chicago

Atwood, Wallace W. The Americas: The Earth and Its People. Ginn and Company, 1929.

Dyfyniad MLA

Atwood, Wallace W. The Americas: The Earth and Its People. Ginn and Company, 1929.

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