Dyfyniad APA

Sittig, M. (1981). Organic and polymer waste reclaiming encyclopedia. Noyes Data Corp.

Dyfyniad Arddull Chicago

Sittig, Marshall. Organic and Polymer Waste Reclaiming Encyclopedia. Park Ridge, N.J: Noyes Data Corp, 1981.

Dyfyniad MLA

Sittig, Marshall. Organic and Polymer Waste Reclaiming Encyclopedia. Noyes Data Corp, 1981.

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