APA citiranje

Getis, J. (1999). You can make a difference: Be environmentally responsible. Boston, MA: McGRaw-Hill/Irvin.

Trích dẫn kiểu Chicago

Getis, Judith. You Can Make a Difference: Be Environmentally Responsible. Boston, MA: McGRaw-Hill/Irvin, 1999.

MLA citiranje

Getis, Judith. You Can Make a Difference: Be Environmentally Responsible. Boston, MA: McGRaw-Hill/Irvin, 1999.

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