Παραπομπή APA

Barnes, R. M. (1980). Motion and time study.Design and measurement of work (7th ed.). New York: John Wiley & Sons.

Παραπομπή Chicago Style

Barnes, Ralph M. Motion and Time Study.Design and Measurement of Work. 7th ed. New York: John Wiley & Sons, 1980.

Παραπομπή MLA

Barnes, Ralph M. Motion and Time Study.Design and Measurement of Work. 7th ed. New York: John Wiley & Sons, 1980.

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