Dyfyniad APA

Roy, K. R. (2012). The NSTA ready-reference guide to safer science. NSTA Press.

Dyfyniad Arddull Chicago

Roy, Kenneth Russell. The NSTA Ready-reference Guide to Safer Science. Arlington, Virginia: NSTA Press, 2012.

Dyfyniad MLA

Roy, Kenneth Russell. The NSTA Ready-reference Guide to Safer Science. NSTA Press, 2012.

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