Dyfyniad APA

 Rubin, E. S. (2001).  Introduction to engineering and the environment.  McGraw-Hill.

Dyfyniad Arddull Chicago

 Rubin, Edward S.  Introduction to Engineering and the Environment.  McGraw-Hill, 2001.

Dyfyniad MLA

 Rubin, Edward S.  Introduction to Engineering and the Environment.  McGraw-Hill, 2001.

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