Gaya APA
Althouse, . (2004).
Modern Refrigeration and Air Conditioning 18th Edition (18).
Tinley Park:
The GoodHeart-Willcox Company, Inc.
Gaya MLA
Althouse, .
"Modern Refrigeration and Air Conditioning 18th Edition".
18
Tinley Park:
The GoodHeart-Willcox Company, Inc,
2004.
Text.