Gaya APA
HOFSTANTER, R, 1. et al (1959).
The American republic, volume two .
Englewood Cliffs, N.J.:
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Gaya MLA
HOFSTANTER, Richard,, 1916-1970. et al.
"The American republic, volume two".
Englewood Cliffs, N.J.:
Prentice Hall,
1959.
Buku.