Lua APA (7ú heag.)

Langer, S. (1964). Philosophy in a New key. Mentor Book.

Lua i Stíl Chicago (17ú heag.)

Langer, Susanne. Philosophy in a New Key. New York: Mentor Book, 1964.

Lua MLA (9ú heag.)

Langer, Susanne. Philosophy in a New Key. Mentor Book, 1964.

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