Gaya APA
Nickels, W, G., Mchugh, S, M.
(2005).
Understanding business
(
7th ed.)
.
Boston:
McGraw-Hill.
Gaya MLA
Nickels, William, G.., Mchugh, Susan, M..
"Understanding business".
7th ed.
Boston:
McGraw-Hill,
2005.
Buku/Printed Material.