APA
Ralph A. Bolton, . (1966). Systems contracting a new purchasing technique. : American Management Association.
Chicago
Ralph A. Bolton, . 1966. Systems contracting a new purchasing technique. : American Management Association.
Harvard
Ralph A. Bolton, . (1966). Systems contracting a new purchasing technique. : American Management Association.
MLA
Ralph A. Bolton, . Systems contracting a new purchasing technique. : American Management Association. 1966.
