Dyfyniad APA

Rockwell, A. F., & Meisel, P. (2009). What's so bad about gasoline?: Fossil fuels and what they do. Collins.

Dyfyniad Arddull Chicago

Rockwell, Anne F., and Paul Meisel. What's so Bad About Gasoline?: Fossil Fuels and What They Do. New York: Collins, 2009.

Dyfyniad MLA

Rockwell, Anne F., and Paul Meisel. What's so Bad About Gasoline?: Fossil Fuels and What They Do. Collins, 2009.

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