APA Style
Ritchie Robert A,. Altoff Margaret. (1985).
Heritage Of Freedom: History Of The United States .
Canada:
Macmillan.
Chicago Style
Ritchie Robert A,. Altoff Margaret.
Heritage Of Freedom: History Of The United States.
Canada:
Macmillan,
1985.
Buku Teks.
MLA Style
Ritchie Robert A,. Altoff Margaret.
Heritage Of Freedom: History Of The United States.
Canada:
Macmillan,
1985.
Buku Teks.
Turabian Style
Ritchie Robert A,. Altoff Margaret.
Heritage Of Freedom: History Of The United States.
Canada:
Macmillan,
1985.
Buku Teks.