Style de citation APA

Leenders, M. R. (2002). Purchasing and supply management (12th ed.). McGraw Hill.

Style de citation Chicago

Leenders, Michiel R. Purchasing and Supply Management. 12th ed. New York: McGraw Hill, 2002.

Style de citation MLA

Leenders, Michiel R. Purchasing and Supply Management. 12th ed. McGraw Hill, 2002.