Não informado. (1952). Refrigeration service and contracting. Refrigeration Service Engineers Society.
Chicago-referens (17:e uppl.)Não informado. Refrigeration Service and Contracting. Chicago, Ill: Refrigeration Service Engineers Society, 1952.
MLA-referens (8:e uppl.)Não informado. Refrigeration Service and Contracting. Refrigeration Service Engineers Society, 1952.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.