Gaya APA
Zang, J, W. (1981).
A Thermal Comfort and Economic Comparison of Two Passive Solar Heating Systems: Direct Gain and a Trombe Wall .
:
.
Gaya MLA
Zang, John, William.
"A Thermal Comfort and Economic Comparison of Two Passive Solar Heating Systems: Direct Gain and a Trombe Wall".
:
,
1981.
Text.