Cita APA (7th ed.)
Machine drawing / Gill, P.S: S.K.Kataria 17th ed (17th ed.).
Cita Chicago (17th ed.)
Machine Drawing / Gill, P.S: S.K.Kataria 17th Ed. 17th ed.
Cita MLA (9th ed.)
Machine Drawing / Gill, P.S: S.K.Kataria 17th Ed. 17th ed.
Atenció: Aquestes cites poden no estar 100% correctes.