Thumann, A. (1987). Plant engineers and managers guide to energy conservation (3rd ed.). Fairmont Press.
Citação do estilo Chicago (17ª ed.)Thumann, Albert. Plant Engineers and Managers Guide to Energy Conservation. 3rd ed. Lilburn, GA: Fairmont Press, 1987.
Citação MLA (9ª ed.)Thumann, Albert. Plant Engineers and Managers Guide to Energy Conservation. 3rd ed. Fairmont Press, 1987.