Cita APA (7th ed.)

(1966). Output, Input, and Productivity measurement. Princeton Univ.

Cita Chicago (17th ed.)

Output, Input, and Productivity Measurement. Princeton: Princeton Univ, 1966.

Cita MLA (9th ed.)

Output, Input, and Productivity Measurement. Princeton Univ, 1966.

Atenció: Aquestes cites poden no estar 100% correctes.