Cita APA (7a ed.)

Hilder, D. W., & Sweetenham, J. G. (1966). Model answers in ordininary national certificate mathematics for engineers (First edition.). Pergamon Press.

Cita Chicago Style (17a ed.)

Hilder, D. W., y Joseph Gilford Sweetenham. Model Answers in Ordininary National Certificate Mathematics for Engineers. First edition. Oxford: Pergamon Press, 1966.

Cita MLA (8a ed.)

Hilder, D. W., y Joseph Gilford Sweetenham. Model Answers in Ordininary National Certificate Mathematics for Engineers. First edition. Pergamon Press, 1966.