Gaya APA
Ritchie, Donald A.. (1985).
Heritage of freedom : history of the United states .
:
Macmillan.
Gaya Chicago
Ritchie, Donald A..
Heritage of freedom : history of the United states.
:
Macmillan,
1985.
Text.
Gaya MLA
Ritchie, Donald A..
Heritage of freedom : history of the United states.
:
Macmillan,
1985.
Text.
Gaya Turabian
Ritchie, Donald A..
Heritage of freedom : history of the United states.
:
Macmillan,
1985.
Print.