Παραπομπή σε μορφή APA (7η εκδ.)

Hansen Erwin G. (1985). Hydronic system design and operation: A guide to heating and cooling with water. McGraw-Hill.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Hansen Erwin G. Hydronic System Design and Operation: A Guide to Heating and Cooling with Water. McGraw-Hill, 1985.

Παραπομπή σε μορφή MLA (8th εκδ.)

Hansen Erwin G. Hydronic System Design and Operation: A Guide to Heating and Cooling with Water. McGraw-Hill, 1985.