Gaya APA
An Outline of Amerika geography. (2019).
Jakarta:
USIS.
Gaya Chicago
An Outline of Amerika geography.
.
Jakarta:
USIS,
2019.
Text.
Gaya MLA
An Outline of Amerika geography.
.
Jakarta:
USIS,
2019.
Text.
Gaya Turabian
An Outline of Amerika geography.
Jakarta:
USIS,
2019.
Print.