Gaya APA
HILL, C, W.
(2003).
Global business today, postscript 2003
(
2 nd ed.)
.
Boston:
McGraw-Hill.
Gaya MLA
HILL, Charles, W.L..
"Global business today, postscript 2003".
2 nd ed.
Boston:
McGraw-Hill,
2003.
Buku.