Gaya APA

Michiel R, Leenders, Harold E. Fearon, Wilbur B. England. (1999). Purchasing and Materials Management (9). United States of America: IRWIN McGRAW-HILL.

Gaya Chicago

Michiel R, Leenders, Harold E. Fearon, Wilbur B. England. Purchasing and Materials Management. 9 United States of America: IRWIN McGRAW-HILL, 1999. Text.

Gaya MLA

Michiel R, Leenders, Harold E. Fearon, Wilbur B. England. Purchasing and Materials Management. 9 United States of America: IRWIN McGRAW-HILL, 1999. Text.

Gaya Turabian

Michiel R, Leenders, Harold E. Fearon, Wilbur B. England. Purchasing and Materials Management. 9 United States of America: IRWIN McGRAW-HILL, 1999. Print.