Dyfyniad APA

BARNES, R. M., & BARNES, R. M. (1980). Motion and time study design and measurement of workRalph M. Barnes. John Wiley & Sons.

Dyfyniad Arddull Chicago

BARNES, Ralph M., and Ralph M. BARNES. Motion and Time Study Design and Measurement of WorkRalph M. Barnes. John Wiley & Sons, 1980.

Dyfyniad MLA

BARNES, Ralph M., and Ralph M. BARNES. Motion and Time Study Design and Measurement of WorkRalph M. Barnes. John Wiley & Sons, 1980.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.