Penggayaan APA
WILLES, John H., WILLES, John A.. (2005).
International business law: .
Boston:
McGraw Hill.
Chicago Style
WILLES, John H., WILLES, John A..
International business law:.
Boston:
McGraw Hill,
2005.
Buku.
MLA Style
WILLES, John H., WILLES, John A..
International business law:.
Boston:
McGraw Hill,
2005.
Buku.
Turabian Style
WILLES, John H., WILLES, John A..
International business law:.
Boston:
McGraw Hill,
2005.
Buku.