NELSON, G. E., ROBINSON, G. G., & BOOLOOTIAN, R. A. (1970). Fundamental concepts of biology.-- Ed.2. John Wiley and Sons.
Lua i Stíl Chicago (17ú heag.)NELSON, Gideo E., Gerald G. ROBINSON, agus Richard A. BOOLOOTIAN. Fundamental Concepts of Biology.-- Ed.2. New York: John Wiley and Sons, 1970.
Lua MLA (9ú heag.)NELSON, Gideo E., et al. Fundamental Concepts of Biology.-- Ed.2. John Wiley and Sons, 1970.
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