Dyfyniad APA

(1990). Official Methods Of Analysis Of The Association Of Official Analytical Chemists Editor Wilham Horwitz ... [et...all]. AOAC.

Dyfyniad Arddull Chicago

Official Methods Of Analysis Of The Association Of Official Analytical Chemists Editor Wilham Horwitz ... [et...all]. AOAC, 1990.

Dyfyniad MLA

Official Methods Of Analysis Of The Association Of Official Analytical Chemists Editor Wilham Horwitz ... [et...all]. AOAC, 1990.

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