Penggayaan APA
SEFFELL, David C.. (1998).
Economic Legal & Political System with Civics .
New York:
Mc Graw Hill.
Chicago Style
SEFFELL, David C..
Economic Legal & Political System with Civics.
New York:
Mc Graw Hill,
1998.
Text.
MLA Style
SEFFELL, David C..
Economic Legal & Political System with Civics.
New York:
Mc Graw Hill,
1998.
Text.
Turabian Style
SEFFELL, David C..
Economic Legal & Political System with Civics.
New York:
Mc Graw Hill,
1998.
Print.