Cita APA (7a ed.)

RIGGS JAMES L. (1983). PRODUCTIVITY BY OBJECTIVES. PRENTICE -HALL INTERNATIONAL, INC.

Cita Chicago Style (17a ed.)

RIGGS JAMES L. PRODUCTIVITY BY OBJECTIVES. NEW JERSE: PRENTICE -HALL INTERNATIONAL, INC, 1983.

Cita MLA (9a ed.)

RIGGS JAMES L. PRODUCTIVITY BY OBJECTIVES. PRENTICE -HALL INTERNATIONAL, INC, 1983.