Wagner, T. (1993). In our backyard: A guide to understanding pollution and its effects. New York: John Wiley & Sons, Inc.
Παραπομπή Chicago StyleWagner, Travis. In Our Backyard: A Guide to Understanding Pollution and Its Effects. New York: John Wiley & Sons, Inc, 1993.
Παραπομπή MLAWagner, Travis. In Our Backyard: A Guide to Understanding Pollution and Its Effects. New York: John Wiley & Sons, Inc, 1993.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.