Style de citation APA (7e éd.)

WESTING J H. (1969). PURCHASING MANAGEMENT MATERIALS IN MOTION. JOHN WILEY AND SONS.

Style de citation Chicago (17e éd.)

WESTING J H. PURCHASING MANAGEMENT MATERIALS IN MOTION. NEW YORK: JOHN WILEY AND SONS, 1969.

Style de citation MLA (9e éd.)

WESTING J H. PURCHASING MANAGEMENT MATERIALS IN MOTION. JOHN WILEY AND SONS, 1969.