Citazione Stile APA (7a Edizione)

ALJIAN GEORGE W EDT. (1982). ALJIAN`S PURCHASING HANDBOOK (4TH.). MCGRAW-HILL.

Citazione stile Chigago Style (17a edizione)

ALJIAN GEORGE W EDT. ALJIAN`S PURCHASING HANDBOOK. 4TH. NEW YORK: MCGRAW-HILL, 1982.

Citatione MLA (9a ed.)

ALJIAN GEORGE W EDT. ALJIAN`S PURCHASING HANDBOOK. 4TH. MCGRAW-HILL, 1982.