Gruenberg, B. C., Snyder, E. E., & Miller, J. V. (1946). A workbook for students of biology. Ginn and Company.
Lua i Stíl Chicago (17ú heag.)Gruenberg, Benjamin C., Emily Eveleth Snyder, agus Jesse V. Miller. A Workbook for Students of Biology. Boston: Ginn and Company, 1946.
Lua MLA (8ú heag.)Gruenberg, Benjamin C., et al. A Workbook for Students of Biology. Ginn and Company, 1946.
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