Cita APA (7th ed.)

Mullins, R. K., & Cooper, D. A. (1972). Programmed technical drawing: SI units. Hutchinson.

Cita Chicago (17th ed.)

Mullins, R. K., i D. A. Cooper. Programmed Technical Drawing: SI Units. London: Hutchinson, 1972.

Cita MLA (9th ed.)

Mullins, R. K., i D. A. Cooper. Programmed Technical Drawing: SI Units. Hutchinson, 1972.

Atenció: Aquestes cites poden no estar 100% correctes.