Gaya APA
Fenton, D, L. (2003).
User's Manual for ANSI/ASHRAE/ Standard 15-2001 Safety Standard for Refrigeration System .
Amerika:
ASHRAE.
Gaya MLA
Fenton, Donald, L..
"User's Manual for ANSI/ASHRAE/ Standard 15-2001 Safety Standard for Refrigeration System".
Amerika:
ASHRAE,
2003.
Text.