Παραπομπή APA
Martin, L. R. (1977). A survey of agricultural economics literature: Traditional fields of agricultural economics. Minneapolis: University of Minnesota Press.
Παραπομπή Chicago StyleMartin, Lee R. A Survey of Agricultural Economics Literature: Traditional Fields of Agricultural Economics. Minneapolis: University of Minnesota Press, 1977.
Παραπομπή MLAMartin, Lee R. A Survey of Agricultural Economics Literature: Traditional Fields of Agricultural Economics. Minneapolis: University of Minnesota Press, 1977.
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