Gaya APA
GROGGINS, P, H.
(1975).
International Progres in Urethanes
(
Sep-75)
.
New York:
McGraw Hill Book Company.
Gaya MLA
GROGGINS, P., H..
"International Progres in Urethanes".
Sep-75
New York:
McGraw Hill Book Company,
1975.
FAKULTAS TEKNIK.