Dyfyniad APA

MacIntosh, D. L., & Spengler, J. D. (2000). Human exposure assessment. Geneva: World Health Organization.

Dyfyniad Arddull Chicago

MacIntosh, D. L., and John D. Spengler. Human Exposure Assessment. Geneva: World Health Organization, 2000.

Dyfyniad MLA

MacIntosh, D. L., and John D. Spengler. Human Exposure Assessment. Geneva: World Health Organization, 2000.

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