Cita APA (7th ed.)

Lumsden, K., Attiyeh, R., & Leland Bach, G. (1966). Microeconomics a programmed book. Prentice Hall.

Cita Chicago (17th ed.)

Lumsden, Keith, Richard Attiyeh, i George Leland Bach. Microeconomics a Programmed Book. Upper Saddle River: Prentice Hall, 1966.

Cita MLA (9th ed.)

Lumsden, Keith, et al. Microeconomics a Programmed Book. Prentice Hall, 1966.