Dyfyniad APA

Spengler, J. D., Samet, J. M., & McCarthy, J. F. (2001). Indoor air quality handbook. New York: McGraw-Hill.

Dyfyniad Arddull Chicago

Spengler, John D., Jonathan M. Samet, and John F. McCarthy. Indoor Air Quality Handbook. New York: McGraw-Hill, 2001.

Dyfyniad MLA

Spengler, John D., Jonathan M. Samet, and John F. McCarthy. Indoor Air Quality Handbook. New York: McGraw-Hill, 2001.

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