Ellison, B. K. (1973). Labour intensive methods in road construction. Dept. of Public Works, Roads and Bridges Division.
Chicago-Zitierstil (17. Ausg.)Ellison, B. K. Labour Intensive Methods in Road Construction. [Port Moresby]: Dept. of Public Works, Roads and Bridges Division, 1973.
MLA-Zitierstil (9. Ausg.)Ellison, B. K. Labour Intensive Methods in Road Construction. Dept. of Public Works, Roads and Bridges Division, 1973.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.