NELSON, G. E. (1982). Fundamental Concepts Of Biology / Gideon E. Nelson And Gerald G. Robinson. John Wiley & Sons.
Lua i Stíl Chicago (17ú heag.)NELSON, Gideon E. Fundamental Concepts Of Biology / Gideon E. Nelson And Gerald G. Robinson. John Wiley & Sons, 1982.
Lua MLA (8ú heag.)NELSON, Gideon E. Fundamental Concepts Of Biology / Gideon E. Nelson And Gerald G. Robinson. John Wiley & Sons, 1982.
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