APA-viite (7. p.)

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

Chicago-viite (17. p.)

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

MLA-viite (9. p.)

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