Sachs , I. (1965). Foreign Trade and Economic Development of Underdeveloped Countries. Asia Publishing House.
Չիկագոյի ոճի (17րդ խմբ.) մեջբերումSachs , Ignacy. Foreign Trade and Economic Development of Underdeveloped Countries. India: Asia Publishing House, 1965.
MLA (9րդ խմբ.) ՄեջբերումSachs , Ignacy. Foreign Trade and Economic Development of Underdeveloped Countries. Asia Publishing House, 1965.