Weaver, J. E., & Clements, F. E. (1938). Plant ecology (2nd ed.). McGraw-Hill Book Company, Inc..
Citace podle Chicago (17th ed.)Weaver, John E., a Frederic E. Clements. Plant Ecology. 2nd ed. New York ; London: McGraw-Hill Book Company, Inc., 1938.
Citace podle MLA (9th ed.)Weaver, John E., a Frederic E. Clements. Plant Ecology. 2nd ed. McGraw-Hill Book Company, Inc., 1938.
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