Dyfyniad APA

Thumann, . A., & Dunning, S. (2008). Plant engineers and managers guide to energy conservation (9th ed.). Fairmont.

Dyfyniad Arddull Chicago

Thumann, Albert, and Scott Dunning. Plant Engineers and Managers Guide to Energy Conservation. 9th ed. Lilburn: Fairmont, 2008.

Dyfyniad MLA

Thumann, Albert, and Scott Dunning. Plant Engineers and Managers Guide to Energy Conservation. 9th ed. Fairmont, 2008.

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