Gaya APA
Physics. (1939).
New York:
D. Van Nostrand Company, Inc..
Gaya Chicago
Physics.
.
New York:
D. Van Nostrand Company, Inc.,
1939.
Text.
Gaya MLA
Physics.
.
New York:
D. Van Nostrand Company, Inc.,
1939.
Text.
Gaya Turabian
Physics.
New York:
D. Van Nostrand Company, Inc.,
1939.
Print.