APA Style
Upshur, John A. (1975).
New horizons in english 6 .
Amerika Serikat:
Addison-Wesley.
Chicago Style
Upshur, John A.
New horizons in english 6.
Amerika Serikat:
Addison-Wesley,
1975.
Text.
MLA Style
Upshur, John A.
New horizons in english 6.
Amerika Serikat:
Addison-Wesley,
1975.
Text.
Turabian Style
Upshur, John A.
New horizons in english 6.
Amerika Serikat:
Addison-Wesley,
1975.
Print.