Gaya APA
1 American breakthrough. (1991).
Hong Kong:
Oxford University Press.
Gaya Chicago
1 American breakthrough.
.
Hong Kong:
Oxford University Press,
1991.
Text.
Gaya MLA
1 American breakthrough.
.
Hong Kong:
Oxford University Press,
1991.
Text.
Gaya Turabian
1 American breakthrough.
Hong Kong:
Oxford University Press,
1991.
Print.