APA (7e ed.) Bronvermelding

Working Party on Earthmoving Operations & United Nations. Economic Commission for Asia and the Far East. Bureau of Flood Control and Water Resources Development. (1961). Earthmoving by manual labour and machines: (report and discussion papers of the Working Party on Earthmoving Operations). United Nations.

Chicago (17e ed.) Bronvermelding

Working Party on Earthmoving Operations en United Nations. Economic Commission for Asia and the Far East. Bureau of Flood Control and Water Resources Development. Earthmoving by Manual Labour and Machines: (report and Discussion Papers of the Working Party on Earthmoving Operations). Bangkok: United Nations, 1961.

MLA (8e ed.) Bronvermelding

Working Party on Earthmoving Operations en United Nations. Economic Commission for Asia and the Far East. Bureau of Flood Control and Water Resources Development. Earthmoving by Manual Labour and Machines: (report and Discussion Papers of the Working Party on Earthmoving Operations). United Nations, 1961.