Dept. of Agriculture. (1968). Science for better living. [Washington: For sale by the Supt. Docs., U.S. Govt. Print. Off..
Styl ChicagoDept. of Agriculture. Science for Better Living. [Washington: For sale by the Supt. Docs., U.S. Govt. Print. Off., 1968.
Citace podle MLADept. of Agriculture. Science for Better Living. [Washington: For sale by the Supt. Docs., U.S. Govt. Print. Off., 1968.
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