Trích dẫn APA

Engge Eldon D. & Bradley F. Smith. (1998). Environmental Science: A study of interrelationships. McGraw Hill.

Chicago Style (17th ed.) Citation

Engge Eldon D. and Bradley F. Smith. Environmental Science: A Study of Interrelationships. USA: McGraw Hill, 1998.

Trích dẫn MLA

Engge Eldon D. and Bradley F. Smith. Environmental Science: A Study of Interrelationships. McGraw Hill, 1998.

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