APA (7e ed.) Bronvermelding

HUMBLE JOHN. (1971). MANAGEMENT BY OBJECTIVES. MCGRAW-HILL.

Chicago (17e ed.) Bronvermelding

HUMBLE JOHN. MANAGEMENT BY OBJECTIVES. NEW YORK: MCGRAW-HILL, 1971.

MLA (9e ed.) Bronvermelding

HUMBLE JOHN. MANAGEMENT BY OBJECTIVES. MCGRAW-HILL, 1971.