APA (7th ed.) Zitazioa

Kahn, R. I. (1972). The letter and the spirit. Word Books.

Chicago Style (17th ed.) Zitazioa

Kahn, Robert I. The Letter and the Spirit. Waco, Texas: Word Books, 1972.

MLA (9th ed.) Zitazioa

Kahn, Robert I. The Letter and the Spirit. Word Books, 1972.