Dyfyniad APA

Rogers, E., Kostigen, T., Diaz, C., & McDonough, W. (2007). The green book: The everyday guide to saving the planet one simple step at a time. Three Rivers Press.

Dyfyniad Arddull Chicago

Rogers, Elizabeth, Thomas Kostigen, Cameron Diaz, and William McDonough. The Green Book: The Everyday Guide to Saving the Planet One Simple Step at a Time. New York: Three Rivers Press, 2007.

Dyfyniad MLA

Rogers, Elizabeth, et al. The Green Book: The Everyday Guide to Saving the Planet One Simple Step at a Time. Three Rivers Press, 2007.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.