Não informado. (1952). Refrigeration service and contracting. Refrigeration Service Engineers Society.
Citação do estilo Chicago (17ª ed.)Não informado. Refrigeration Service and Contracting. Chicago, Ill: Refrigeration Service Engineers Society, 1952.
Citação MLA (8ª ed.)Não informado. Refrigeration Service and Contracting. Refrigeration Service Engineers Society, 1952.
警告：這些引文格式不一定是100％准確.