Dyfyniad APA

NIO. (1957). Analar standards for laboratory chemicals (5th ed.). The British Drug Houses Ltd. & Essex.

Dyfyniad Arddull Chicago

NIO. Analar Standards for Laboratory Chemicals. 5th ed. Dorset: The British Drug Houses Ltd. & Essex, 1957.

Dyfyniad MLA

NIO. Analar Standards for Laboratory Chemicals. 5th ed. The British Drug Houses Ltd. & Essex, 1957.

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