Gaya APA
Richards, Jack C. (1977).
2 American Breakthrough (First Publish).
Inggris:
Oxford University Press.
Gaya Chicago
Richards, Jack C.
2 American Breakthrough.
First Publish
Inggris:
Oxford University Press,
1977.
Text.
Gaya MLA
Richards, Jack C.
2 American Breakthrough.
First Publish
Inggris:
Oxford University Press,
1977.
Text.
Gaya Turabian
Richards, Jack C.
2 American Breakthrough.
First Publish
Inggris:
Oxford University Press,
1977.
Print.