Leechman, D. (1931). Guide to the Study of Fresh-water Biology, James Needham and Paul R. Needham [Review]. Zenodo.
Tohutoru Kātū Chicago (17th ed.)Leechman, Douglas. Guide to the Study of Fresh-water Biology, James Needham and Paul R. Needham [Review]. Zenodo, 1931.
Tohutoro MLA (9th ed.)Leechman, Douglas. Guide to the Study of Fresh-water Biology, James Needham and Paul R. Needham [Review]. Zenodo, 1931.
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