APA-referens (7:e uppl.)

Thumann, A. (1979). Handbook of energy audits. Fairmont Press.

Chicago-referens (17:e uppl.)

Thumann, Albert. Handbook of Energy Audits. Atlanta, Ga: Fairmont Press, 1979.

MLA-referens (9:e uppl.)

Thumann, Albert. Handbook of Energy Audits. Fairmont Press, 1979.