Cita APA (7th ed.)
JULIAN, D., & ET AL. (1996). OPEN SYSTEMS EVALUATION AND THE LOGIC MODEL: PROGRAM PLANNING AND EVALUATION TOOLS. PERGAMON PRESS.
Cita Chicago (17th ed.)
JULIAN, D.A, i ET AL. OPEN SYSTEMS EVALUATION AND THE LOGIC MODEL: PROGRAM PLANNING AND EVALUATION TOOLS. NUEVA YORK: PERGAMON PRESS, 1996.
Cita MLA (9th ed.)
JULIAN, D.A, i ET AL. OPEN SYSTEMS EVALUATION AND THE LOGIC MODEL: PROGRAM PLANNING AND EVALUATION TOOLS. PERGAMON PRESS, 1996.
Atenció: Aquestes cites poden no estar 100% correctes.