International Labor Office. (1967). Higher productivity in manufacturing industries. ILO.
Chicago (17e ed.) BronvermeldingInternational Labor Office. Higher Productivity in Manufacturing Industries. Geneva: ILO, 1967.
MLA (9e ed.) BronvermeldingInternational Labor Office. Higher Productivity in Manufacturing Industries. ILO, 1967.
Let op: Deze citaties zijn niet altijd 100% accuraat.