Dyfyniad APA
Zeller, E. (1955). Outlines of the history of Greek philosophy (13th.ed.). Meridian books.
Dyfyniad Arddull Chicago
Zeller, Eduard. Outlines of the History of Greek Philosophy. 13th.ed. New York: Meridian books, 1955.
Dyfyniad MLA
Zeller, Eduard. Outlines of the History of Greek Philosophy. 13th.ed. Meridian books, 1955.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.