Dyfyniad APA

Lodge, J. P. (1988). Methods of air sampling and analysis (photostat copy) (3.).

Dyfyniad Arddull Chicago

Lodge, James P. Methods of Air Sampling and Analysis (photostat Copy). 3. London, Lewis Publishers, 1988.

Dyfyniad MLA

Lodge, James P. Methods of Air Sampling and Analysis (photostat Copy). 3. 1988.

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