Gaya APA

Althouse, A, D. et al (1992). Study Guide For Modern Refrigeration And Air Conditioning (-). South Holland, IIlinois: The Goodheart - Willcox.

Gaya MLA

Althouse, Andrew, D.. et al. "Study Guide For Modern Refrigeration And Air Conditioning". - South Holland, IIlinois: The Goodheart - Willcox, 1992. Text.