Dyfyniad APA

Sewell,Peter A, Clarke Brian, & Kealey, D. (2008). Chromatographic separations: Analytical chemistry by open learning. John Wiley and Sons.

Dyfyniad Arddull Chicago

Sewell,Peter A, Clarke Brian, and David.,ed.by Kealey. Chromatographic Separations: Analytical Chemistry by Open Learning. New York: John Wiley and Sons, 2008.

Dyfyniad MLA

Sewell,Peter A, et al. Chromatographic Separations: Analytical Chemistry by Open Learning. John Wiley and Sons, 2008.

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