APA Style
PAUL, Helwitt. (1989).
Conceptual Physics .
London:
Scott, foresman.
Chicago Style
PAUL, Helwitt.
Conceptual Physics.
London:
Scott, foresman,
1989.
Text.
MLA Style
PAUL, Helwitt.
Conceptual Physics.
London:
Scott, foresman,
1989.
Text.
Turabian Style
PAUL, Helwitt.
Conceptual Physics.
London:
Scott, foresman,
1989.
Print.