Cita APA (7th ed.)
Barnes Ralph M. (1931). Industrial Engineering and Management: Problems and Policies. McGraw-Hill.
Cita Chicago (17th ed.)
Barnes Ralph M. Industrial Engineering and Management: Problems and Policies. New York: McGraw-Hill, 1931.
Cita MLA (9th ed.)
Barnes Ralph M. Industrial Engineering and Management: Problems and Policies. McGraw-Hill, 1931.
Atenció: Aquestes cites poden no estar 100% correctes.