Dyfyniad APA

S K Gupta. (2006). Drug Screening Methods (1.). Jaypee Brothers.

Dyfyniad Arddull Chicago

S K Gupta. Drug Screening Methods. 1. Jaypee Brothers, 2006.

Dyfyniad MLA

S K Gupta. Drug Screening Methods. 1. Jaypee Brothers, 2006.

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