Παραπομπή σε μορφή APA (7η εκδ.)

Gilman, S. F. Solar energy heat pump systems for heating and cooling buildings: Proceedings of a Workshop held at The Pennsylvania State University. The Pennsylvania State University.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Gilman, Stanley F. Solar Energy Heat Pump Systems for Heating and Cooling Buildings: Proceedings of a Workshop Held at The Pennsylvania State University. Pennsylvania: The Pennsylvania State University.

Παραπομπή σε μορφή MLA (8th εκδ.)

Gilman, Stanley F. Solar Energy Heat Pump Systems for Heating and Cooling Buildings: Proceedings of a Workshop Held at The Pennsylvania State University. The Pennsylvania State University.