Roumasset, J. A. (1976). Choice of technique by lexicographic state first for peasant agriculture and reswitching of risky techniques [microform]. Photoduplication Service, University of the Philippines Library.
Chicago-referens (17:e uppl.)Roumasset, James A. Choice of Technique by Lexicographic State First for Peasant Agriculture and Reswitching of Risky Techniques [microform]. Quezon City: Photoduplication Service, University of the Philippines Library, 1976.
MLA-referens (9:e uppl.)Roumasset, James A. Choice of Technique by Lexicographic State First for Peasant Agriculture and Reswitching of Risky Techniques [microform]. Photoduplication Service, University of the Philippines Library, 1976.
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