English, B. C. (1984). Natural gas pricing: Its impacts on the agricultural production sector. Ames, Iowa: Center for Agricultural and Rural Development, Iowa State University.
Παραπομπή Chicago StyleEnglish, Burton C. Natural Gas Pricing: Its Impacts On the Agricultural Production Sector. Ames, Iowa: Center for Agricultural and Rural Development, Iowa State University, 1984.
Παραπομπή MLAEnglish, Burton C. Natural Gas Pricing: Its Impacts On the Agricultural Production Sector. Ames, Iowa: Center for Agricultural and Rural Development, Iowa State University, 1984.
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