Gaya APA
Physics an introduction. (1989).
New Jersey:
Prentice Hall Internasional.
Gaya Chicago
Physics an introduction.
.
New Jersey:
Prentice Hall Internasional,
1989.
Text.
Gaya MLA
Physics an introduction.
.
New Jersey:
Prentice Hall Internasional,
1989.
Text.
Gaya Turabian
Physics an introduction.
New Jersey:
Prentice Hall Internasional,
1989.
Print.