APA
(1977). Manual of modern purchasing practices: How to turn the purchasing function into a profit making center. New York: Alexander Hamilton.
Chicago
1977. Manual of modern purchasing practices: How to turn the purchasing function into a profit making center. New York: Alexander Hamilton.
Harvard
(1977). Manual of modern purchasing practices: How to turn the purchasing function into a profit making center. New York: Alexander Hamilton.
MLA
Manual of modern purchasing practices: How to turn the purchasing function into a profit making center. New York: Alexander Hamilton. 1977.
