Freifelder, D. (1983). Problems for Molecular biology: With answers and solutions. Science Books International.
Čikaški stil citiranja (17. izdanje)Freifelder, David. Problems for Molecular Biology: With Answers and Solutions. Boston, Mass: Science Books International, 1983.
MLA način citiranja (8. izdanje)Freifelder, David. Problems for Molecular Biology: With Answers and Solutions. Science Books International, 1983.
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