Gaya APA
FREY, P, R.
(1960).
ESSENTIALS OF COLLEGE CHEMISTRY
.
Englewood Cliffs, New Jersey:
PRENTICE HALL.
Gaya MLA
FREY, Paul, R..
"ESSENTIALS OF COLLEGE CHEMISTRY".
Englewood Cliffs, New Jersey:
PRENTICE HALL,
1960.
Textbook.