Klassen, P. J., Veronee, M. D., Schrier, A., & Wallbank, T. W. (1964). Tests for Living world history, second edition, T. Walter Wallbank, Arnold Schrier. Scott, Foresman.
Lua i Stíl Chicago (17ú heag.)Klassen, Peter James, Marvin D. Veronee, Arnold Schrier, agus T. Walter Wallbank. Tests for Living World History, Second Edition, T. Walter Wallbank, Arnold Schrier. Chicago: Scott, Foresman, 1964.
Lua MLA (8ú heag.)Klassen, Peter James, et al. Tests for Living World History, Second Edition, T. Walter Wallbank, Arnold Schrier. Scott, Foresman, 1964.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.