Cita APA (7th ed.)

Aft, L. S. (1992). Productivity measurement and improvement (2nd ed.). Prentice Hall.

Cita Chicago (17th ed.)

Aft, Lawrence S. Productivity Measurement and Improvement. 2nd ed. Englewood Cliffs, NJ: Prentice Hall, 1992.

Cita MLA (9th ed.)

Aft, Lawrence S. Productivity Measurement and Improvement. 2nd ed. Prentice Hall, 1992.