Παραπομπή APA

Mundel, M. E. (1973). Motion and time study/4e: Principles and practices (4th ed.). Prentice Halll.

Παραπομπή Chicago Style

Mundel, Marvin E. Motion and Time Study/4e: Principles and Practices. 4th ed. New Delhi: Prentice Halll, 1973.

Παραπομπή MLA

Mundel, Marvin E. Motion and Time Study/4e: Principles and Practices. 4th ed. Prentice Halll, 1973.