Dyfyniad APA

STEELE, H. (1998). ECOLOGY AND THE ENVIRONMENT. TIME LIFE PUBLICATIONS.

Dyfyniad Arddull Chicago

STEELE, HOPE. ECOLOGY AND THE ENVIRONMENT. ASIA: TIME LIFE PUBLICATIONS, 1998.

Dyfyniad MLA

STEELE, HOPE. ECOLOGY AND THE ENVIRONMENT. TIME LIFE PUBLICATIONS, 1998.

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