Dyfyniad APA

Brinton, C. C., Christopher, J. B., & Wolff, R. L. (1971). A history of civilization (4th ed.). Prentice-Hall.

Dyfyniad Arddull Chicago

Brinton, Clarence Crane, John B. Christopher, and Robert Lee Wolff. A History of Civilization. 4th ed. Englewood Cliffs, N.J: Prentice-Hall, 1971.

Dyfyniad MLA

Brinton, Clarence Crane, et al. A History of Civilization. 4th ed. Prentice-Hall, 1971.

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