Gaya APA
Richards, Jack C. (1989).
1 American Breakthrough (First Publish).
Inggris:
Oxford University Press.
Gaya Chicago
Richards, Jack C.
1 American Breakthrough.
First Publish
Inggris:
Oxford University Press,
1989.
Text.
Gaya MLA
Richards, Jack C.
1 American Breakthrough.
First Publish
Inggris:
Oxford University Press,
1989.
Text.
Gaya Turabian
Richards, Jack C.
1 American Breakthrough.
First Publish
Inggris:
Oxford University Press,
1989.
Print.