Dyfyniad APA

Callahan, M. S. (1995). Hazardous solvent source reduction. New York: McGraw-Hill, Inc.

Dyfyniad Arddull Chicago

Callahan, Michael S. Hazardous Solvent Source Reduction. New York: McGraw-Hill, Inc, 1995.

Dyfyniad MLA

Callahan, Michael S. Hazardous Solvent Source Reduction. New York: McGraw-Hill, Inc, 1995.

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