Johnson, D. G. (1975). World food problems and prospects. American Enterprise Institute for Public Policy Research.
Čikaški stil citiranja (17. izdanje)Johnson, D. Gale. World Food Problems and Prospects. Washington: American Enterprise Institute for Public Policy Research, 1975.
MLA način citiranja (9. izdanje)Johnson, D. Gale. World Food Problems and Prospects. American Enterprise Institute for Public Policy Research, 1975.
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