Dyfyniad APA

Beatty, J. L., & Johnson, O. A. (1971). Heritage of western civilization (3rd ed.). N.J. Prentice Hall.

Dyfyniad Arddull Chicago

Beatty, John Louis, and Oliver A. Johnson. Heritage of Western Civilization. 3rd ed. Englewood Cliffs: N.J. Prentice Hall, 1971.

Dyfyniad MLA

Beatty, John Louis, and Oliver A. Johnson. Heritage of Western Civilization. 3rd ed. N.J. Prentice Hall, 1971.

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