Gaya APA
Nickels, W, G. et al (2002).
Student assessment and learning guide for use with understanding business (Ed.6).
New York:
McGraw Hill.
Gaya MLA
Nickels, William, G. et al.
"Student assessment and learning guide for use with understanding business".
Ed.6
New York:
McGraw Hill,
2002.
Buku Tercetak.