Galenson,Walter, & Harviy Leibenstein. (1955). Investment Criteria, Productivity and Economic Development. Quarterly Journal of Eonomics.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)Galenson,Walter, ба Harviy Leibenstein. Investment Criteria, Productivity and Economic Development. New Jersey: Quarterly Journal of Eonomics, 1955.
MLA -ийн эшлэл (9 дэх хэвлэлт)Galenson,Walter, ба Harviy Leibenstein. Investment Criteria, Productivity and Economic Development. Quarterly Journal of Eonomics, 1955.