Παραπομπή σε μορφή APA (7η εκδ.)

Thumann, A. (1987). Plant engineers and managers guide to energy conservation (3rd ed.). Fairmont Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Thumann, Albert. Plant Engineers and Managers Guide to Energy Conservation. 3rd ed. Lilburn, GA: Fairmont Press, 1987.

Παραπομπή σε μορφή MLA (9th εκδ.)

Thumann, Albert. Plant Engineers and Managers Guide to Energy Conservation. 3rd ed. Fairmont Press, 1987.