Gaya APA
Hough, Harry E, Ashley, James M. (1992).
Handbook of Buying and Purchasing Management .
New Jersey:
Prentice Hall.
Gaya Chicago
Hough, Harry E, Ashley, James M.
Handbook of Buying and Purchasing Management.
New Jersey:
Prentice Hall,
1992.
Text.
Gaya MLA
Hough, Harry E, Ashley, James M.
Handbook of Buying and Purchasing Management.
New Jersey:
Prentice Hall,
1992.
Text.
Gaya Turabian
Hough, Harry E, Ashley, James M.
Handbook of Buying and Purchasing Management.
New Jersey:
Prentice Hall,
1992.
Print.