Dyfyniad APA

World Health Organization. (1998). Concise International chemical assessment Document; 1 , 1 , 2 , 2 - tetrachloroethane. IOMS.

Dyfyniad Arddull Chicago

World Health Organization. Concise International Chemical Assessment Document; 1 , 1 , 2 , 2 - Tetrachloroethane. Ginebra: IOMS, 1998.

Dyfyniad MLA

World Health Organization. Concise International Chemical Assessment Document; 1 , 1 , 2 , 2 - Tetrachloroethane. IOMS, 1998.

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