APA استشهاد

Wagner, T. (1993). In our backyard: A guide to understanding pollution and its effects. New York: John Wiley & Sons, Inc.

استشهاد بنمط شيكاغو

Wagner, Travis. In Our Backyard: A Guide to Understanding Pollution and Its Effects. New York: John Wiley & Sons, Inc, 1993.

MLA استشهاد

Wagner, Travis. In Our Backyard: A Guide to Understanding Pollution and Its Effects. New York: John Wiley & Sons, Inc, 1993.

تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.