FEIRER, J. L. (1963). Drawing and Planning for industrial arts. Chas A. Bennett.
Lua i Stíl Chicago (17ú heag.)FEIRER, John L. Drawing and Planning for Industrial Arts. Illinois: Chas A. Bennett, 1963.
Lua MLA (9ú heag.)FEIRER, John L. Drawing and Planning for Industrial Arts. Chas A. Bennett, 1963.
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