Citazione APA

Institute of purchasing & supply. (1945). Procurement. Institute of purchasing and supply.

Stile di citazione Chicago

Institute of purchasing & supply. Procurement. Burmingham: Institute of purchasing and supply, 1945.

Citazione MLA

Institute of purchasing & supply. Procurement. Institute of purchasing and supply, 1945.

Attenzione: Queste citazioni potrebbero non essere precise al 100%.