Παραπομπή σε μορφή APA (7η εκδ.)
University of Massachusetts & Larson J. S. A guide to important characteristics and values of freshwater wetlands in the Northeast; Models for assessment of freshwater wetlands. University of Massachusetts.
Παραπομπή σε μορφή Chicago (17η εκδ.)
University of Massachusetts και Larson J. S. A Guide to Important Characteristics and Values of Freshwater Wetlands in the Northeast; Models for Assessment of Freshwater Wetlands. University of Massachusetts.
Παραπομπή σε μορφή MLA (9th εκδ.)
University of Massachusetts και Larson J. S. A Guide to Important Characteristics and Values of Freshwater Wetlands in the Northeast; Models for Assessment of Freshwater Wetlands. University of Massachusetts.
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