Clawson, M. (1971). Policy directions for U.S. agriculture. allied publications private limited.
Chicago-stil citatClawson, Marion. Policy Directions for U.S. Agriculture. Bombay: allied publications private limited, 1971.
MLA-referensClawson, Marion. Policy Directions for U.S. Agriculture. allied publications private limited, 1971.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.