Dyfyniad APA

Delgass, W. N., & Haller, G. L. K. (1979). Spectroscopy in heterogeneous catalysis. Academic Press.

Dyfyniad Arddull Chicago

Delgass, W. Nicholas, and Gary L. Kellerman Haller. Spectroscopy in Heterogeneous Catalysis. New York: Academic Press, 1979.

Dyfyniad MLA

Delgass, W. Nicholas, and Gary L. Kellerman Haller. Spectroscopy in Heterogeneous Catalysis. Academic Press, 1979.

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