Cita APA (7a ed.)
Barnfield, G., & Male, T. (1963). Technical drawing. The English Uniersities press.
Cita Chicago Style (17a ed.)
Barnfield, G.R, y T. Male. Technical Drawing. London: The English Uniersities press, 1963.
Cita MLA (9a ed.)
Barnfield, G.R, y T. Male. Technical Drawing. The English Uniersities press, 1963.
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