Gaya APA
Trott, A., T.Welch, .
(2000).
Refrigeration and Air-Conditioning
.
Great Britain:
Butterworth-Heinemann.
Gaya MLA
Trott, A.R.., T.Welch, .
"Refrigeration and Air-Conditioning".
Great Britain:
Butterworth-Heinemann,
2000.
Text.