Dyfyniad APA

Blumenthal, D. S. (1985). Introduction to environmental health. Springer Pub.

Dyfyniad Arddull Chicago

Blumenthal, Daniel S. Introduction to Environmental Health. New York: Springer Pub, 1985.

Dyfyniad MLA

Blumenthal, Daniel S. Introduction to Environmental Health. Springer Pub, 1985.

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