Thumann, A. (1987). Plant engineers and managers guide to energy conservation (3rd ed.). Fairmont Press.
Chicago-Zitierstil (17. Ausg.)Thumann, Albert. Plant Engineers and Managers Guide to Energy Conservation. 3rd ed. Lilburn, GA: Fairmont Press, 1987.
MLA-Zitierstil (9. Ausg.)Thumann, Albert. Plant Engineers and Managers Guide to Energy Conservation. 3rd ed. Fairmont Press, 1987.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.