French, T. E., & Vierck, C. J. (1960). Manual of engineering drawing for students and draftsmen, eng (9th ed.).
Stile di citazione ChicagoFrench, Thomas E., e Charles J. Vierck. Manual of Engineering Drawing for Students and Draftsmen, Eng. 9th ed. 1960.
Citazione MLAFrench, Thomas E., e Charles J. Vierck. Manual of Engineering Drawing for Students and Draftsmen, Eng. 9th ed. 1960.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.