APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (9e ed.) Bronvermelding

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