Gaya APA
Threlkeld, J, L.
(1970).
Thermal environmental engineering
(
2nd.ed.)
.
Englewood Cliffs:
Prentice-Hall.
Gaya MLA
Threlkeld, James, L.
"Thermal environmental engineering".
2nd.ed.
Englewood Cliffs:
Prentice-Hall,
1970.
Text.