Dyfyniad APA

Jensen, A. R. (1973). Educability and group differences. Harper and Row.

Dyfyniad Arddull Chicago

Jensen, Arthur Robert. Educability and Group Differences. New York: Harper and Row, 1973.

Dyfyniad MLA

Jensen, Arthur Robert. Educability and Group Differences. Harper and Row, 1973.

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