Smith, P. (1976). Food Production and its Consequences (2n ed.). California, Cunnings.
Chicago-stil citatSmith, Philip. Food Production and Its Consequences. 2n ed. Menlopark: California, Cunnings, 1976.
MLA-referensSmith, Philip. Food Production and Its Consequences. 2n ed. California, Cunnings, 1976.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.