Dyfyniad APA

Lippmann, W. (1929). A preface to morals. The Macmillan company.

Dyfyniad Arddull Chicago

Lippmann, Walter. A Preface to Morals. New York: The Macmillan company, 1929.

Dyfyniad MLA

Lippmann, Walter. A Preface to Morals. The Macmillan company, 1929.

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