Weinberg, S. L., & Stoltze, H. J. (1977). Action biology. Allyn and Bacon.
Lua i Stíl Chicago (17ú heag.)Weinberg, Stanley L., agus Herbert J. Stoltze. Action Biology. Boston: Allyn and Bacon, 1977.
Lua MLA (8ú heag.)Weinberg, Stanley L., agus Herbert J. Stoltze. Action Biology. Allyn and Bacon, 1977.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.