Salas de Tillmann, M. A. (1989). Rural development and the careful utilization of natural resources in the Peruvian Sierra: Report on the Workshop-Seminar held in Achoma (Arequipa), Peru, 31 march to 9 april 1987. DSE u. a.
Chicago-Zitierstil (17. Ausg.)Salas de Tillmann, María Angélica. Rural Development and the Careful Utilization of Natural Resources in the Peruvian Sierra: Report on the Workshop-Seminar Held in Achoma (Arequipa), Peru, 31 March to 9 April 1987. Feldafing: DSE u. a, 1989.
MLA-Zitierstil (9. Ausg.)Salas de Tillmann, María Angélica. Rural Development and the Careful Utilization of Natural Resources in the Peruvian Sierra: Report on the Workshop-Seminar Held in Achoma (Arequipa), Peru, 31 March to 9 April 1987. DSE u. a, 1989.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.