Gaya APA
Ogg, F, A, P, O.
(1951).
Introduction to American Government
.
New York:
Appleton-Century-Crofts, INC..
Gaya MLA
Ogg, Frederic, A.-Ray,, P., Orman.
"Introduction to American Government".
New York:
Appleton-Century-Crofts, INC.,
1951.
Text.