Dyfyniad APA

Johnson, D. W. (1999). Learning together and alone: Cooperative, competitive, and individualistic learning (5th ed.). Boston: Allyn and Bacon.

Dyfyniad Arddull Chicago

Johnson, David W. Learning Together and Alone: Cooperative, Competitive, and Individualistic Learning. 5th ed. Boston: Allyn and Bacon, 1999.

Dyfyniad MLA

Johnson, David W. Learning Together and Alone: Cooperative, Competitive, and Individualistic Learning. 5th ed. Boston: Allyn and Bacon, 1999.

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