Plant engineers and managers guide to energy conservaton /
Albert Thumann.
APA Citation
Thumann, A. (1977). Plant engineers and managers guide to energy conservaton. New York: Van Nostrand Reinhold.
MLA Citation
Thumann, Albert. Plant Engineers And Managers Guide to Energy Conservaton. New York: Van Nostrand Reinhold, 1977.
Warning: These citations may not always be complete (especially for serials).