Cita APA (7th ed.)
Tjalve, E., Andreasen, M. M., Schmidt, F. F., & Pitts, G. (1979). Engineering graphic Modelling: A workbook for design engineers. Newnes-Butterworths.
Cita Chicago (17th ed.)
Tjalve, E., M. M. Andreasen, F. Frackmann Schmidt, i Geoff Pitts. Engineering Graphic Modelling: A Workbook for Design Engineers. London [usw.]: Newnes-Butterworths, 1979.
Cita MLA (9th ed.)
Tjalve, E., et al. Engineering Graphic Modelling: A Workbook for Design Engineers. Newnes-Butterworths, 1979.
Atenció: Aquestes cites poden no estar 100% correctes.