Dyfyniad APA

Platt, N., & Drummond, M. J. (1967). Our world through the ages (3rd ed.). Prentice-Hall.

Dyfyniad Arddull Chicago

Platt, Nathaniel, and Muriel Jean Drummond. Our World Through the Ages. 3rd ed. Englewood Cliffs, N.J.: Prentice-Hall, 1967.

Dyfyniad MLA

Platt, Nathaniel, and Muriel Jean Drummond. Our World Through the Ages. 3rd ed. Prentice-Hall, 1967.

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