APA (7e ed.) Bronvermelding

DILWORTH JAMES B. (1989). PRODUCTION & OPERATIONS MANAGEMENT MANUFACTURING & NONMGTT AND NONMANUFACHRING (4.). MCGRAW-HILL.

Chicago (17e ed.) Bronvermelding

DILWORTH JAMES B. PRODUCTION & OPERATIONS MANAGEMENT MANUFACTURING & NONMGTT AND NONMANUFACHRING. 4. NEW YORK: MCGRAW-HILL, 1989.

MLA (9e ed.) Bronvermelding

DILWORTH JAMES B. PRODUCTION & OPERATIONS MANAGEMENT MANUFACTURING & NONMGTT AND NONMANUFACHRING. 4. MCGRAW-HILL, 1989.