Needham, J., & Needham, P. (1962). A Guide to the study of fresh-water biology (5th ed., rev. and enlarged.). Holden-Day.
Citace podle Chicago (17th ed.)Needham, James, a Paul Needham. A Guide to the Study of Fresh-water Biology. 5th ed., rev. and enlarged. San Francisco: Holden-Day, 1962.
Citace podle MLA (9th ed.)Needham, James, a Paul Needham. A Guide to the Study of Fresh-water Biology. 5th ed., rev. and enlarged. Holden-Day, 1962.
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