Dyfyniad APA
Klineberg, O. (1935). Race differences. Harper & Brothers publishers.
Dyfyniad Arddull Chicago
Klineberg, Otto. Race Differences. New York: Harper & Brothers publishers, 1935.
Dyfyniad MLA
Klineberg, Otto. Race Differences. Harper & Brothers publishers, 1935.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.