Dyfyniad APA

international labour officer. (1969). Introduction to work study/2e (2nd ed.). International labour office.

Dyfyniad Arddull Chicago

international labour officer. Introduction to Work Study/2e. 2nd ed. Geneva: International labour office, 1969.

Dyfyniad MLA

international labour officer. Introduction to Work Study/2e. 2nd ed. International labour office, 1969.

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