Lua APA (7ú heag.)

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

Lua i Stíl Chicago (17ú heag.)

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

Lua MLA (8ú heag.)

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

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.