Dyfyniad APA
Conference on the Susceptibility to Inhaled Pollutants, Utell, M. J., & Frank, R. (1989). Susceptibility to inhaled pollutants. ASTM.
Dyfyniad Arddull Chicago
Conference on the Susceptibility to Inhaled Pollutants, Mark J. Utell, and Robert Frank. Susceptibility to Inhaled Pollutants. Philadelphia, PA: ASTM, 1989.
Dyfyniad MLA
Conference on the Susceptibility to Inhaled Pollutants, et al. Susceptibility to Inhaled Pollutants. ASTM, 1989.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.