Durand, E., & Hilhorst, J. (1987). Problems in three new Land Settelements in Andean Countries. Institute of Social Studies.
Chicago Style (17. basım) AtıfDurand, Eduardo, ve Jos Hilhorst. Problems in Three New Land Settelements in Andean Countries. La Haya: Institute of Social Studies, 1987.
MLA (9th ed.) AtıfDurand, Eduardo, ve Jos Hilhorst. Problems in Three New Land Settelements in Andean Countries. Institute of Social Studies, 1987.
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