Dyfyniad APA

Schiefer, H. B. (1997). Understanding toxicology chemicals, their benefit and risksH. Bruno Schiefer, Donald G. Irvine, Shirley C. Buzik. CRC.

Dyfyniad Arddull Chicago

Schiefer, H. Bruno. Understanding Toxicology Chemicals, Their Benefit and RisksH. Bruno Schiefer, Donald G. Irvine, Shirley C. Buzik. CRC, 1997.

Dyfyniad MLA

Schiefer, H. Bruno. Understanding Toxicology Chemicals, Their Benefit and RisksH. Bruno Schiefer, Donald G. Irvine, Shirley C. Buzik. CRC, 1997.

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