Não informado. (1952). Refrigeration service and contracting. Refrigeration Service Engineers Society.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Refrigeration Service and Contracting. Chicago, Ill: Refrigeration Service Engineers Society, 1952.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Refrigeration Service and Contracting. Refrigeration Service Engineers Society, 1952.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.