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