APA সাইটেশন

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

শিকাগো স্টাইলে সাইটেশন

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

এমএলএ সাইটেশন

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