Gaya APA
Krauskopf, Konrad B., Beiser, Arthur. (2014).
The physical universe (15nd Ed.).
New York:
The McGraw-Hill Companies.
Gaya Chicago
Krauskopf, Konrad B., Beiser, Arthur.
The physical universe.
15nd Ed.
New York:
The McGraw-Hill Companies,
2014.
Text.
Gaya MLA
Krauskopf, Konrad B., Beiser, Arthur.
The physical universe.
15nd Ed.
New York:
The McGraw-Hill Companies,
2014.
Text.
Gaya Turabian
Krauskopf, Konrad B., Beiser, Arthur.
The physical universe.
15nd Ed.
New York:
The McGraw-Hill Companies,
2014.
Print.