Gaya APA
COOPER, H, B., Rossano, A, T. (1971).
Source Testing for Air Pollution Control .
Toronto, USA:
McGraw-Hll Book Company.
Gaya MLA
COOPER, Hal, BH., Rossano, August, T.
"Source Testing for Air Pollution Control".
Toronto, USA:
McGraw-Hll Book Company,
1971.
Lawas.