Dyfyniad APA
Farris, P. K. (2014). Cosmeceuticals and cosmetic practice. Wiley Blackwell.
Dyfyniad Arddull Chicago
Farris, Patricia K. Cosmeceuticals and Cosmetic Practice. Chichester: Wiley Blackwell, 2014.
Dyfyniad MLA
Farris, Patricia K. Cosmeceuticals and Cosmetic Practice. Wiley Blackwell, 2014.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.