Dyfyniad APA

Setton, k. M., & Winkler, H. R. (1954). Great problems in European civilization. Prentice-Hall.

Dyfyniad Arddull Chicago

Setton, kenneth M., and Henry R. Winkler. Great Problems in European Civilization. New York: Prentice-Hall, 1954.

Dyfyniad MLA

Setton, kenneth M., and Henry R. Winkler. Great Problems in European Civilization. Prentice-Hall, 1954.

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