Cita APA (7th ed.)

Prokopenko, J. (1987). Productivity management: A practical handbook. International Labour Office.

Cita Chicago (17th ed.)

Prokopenko, Joseph. Productivity Management: A Practical Handbook. Geneva: International Labour Office, 1987.

Cita MLA (8th ed.)

Prokopenko, Joseph. Productivity Management: A Practical Handbook. International Labour Office, 1987.

Atenció: Aquestes cites poden no estar 100% correctes.