Otto, J. H., Towle, A., & Crider, E. (1965). Biology investigations: Laboratory manual to accompany Modern biology. Holt, Rinehart and Winston.
Lua i Stíl Chicago (17ú heag.)Otto, James Howard, Albert Towle, agus Elizabeth Crider. Biology Investigations: Laboratory Manual to Accompany Modern Biology. New York: Holt, Rinehart and Winston, 1965.
Lua MLA (8ú heag.)Otto, James Howard, et al. Biology Investigations: Laboratory Manual to Accompany Modern Biology. Holt, Rinehart and Winston, 1965.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.