APA (7e ed.) Bronvermelding

Aulbach, R. E., & Conrade, G. R. (1988). Energy and water resource management (2nd ed.). Educational Institute of the American Hotel & Motel Association.

Chicago (17e ed.) Bronvermelding

Aulbach, Robert E., en George R. Conrade. Energy and Water Resource Management. 2nd ed. East Lansing, Mich.: Educational Institute of the American Hotel & Motel Association, 1988.

MLA (9e ed.) Bronvermelding

Aulbach, Robert E., en George R. Conrade. Energy and Water Resource Management. 2nd ed. Educational Institute of the American Hotel & Motel Association, 1988.