Cita APA (7th ed.)

DOUGLAS, E. J., & CALLAN, S. (1992). Managerial economics: Analysis and strategy (ed. 4.). Prentice-Hall.

Cita Chicago (17th ed.)

DOUGLAS, Evan J., i Scott CALLAN. Managerial Economics: Analysis and Strategy. ed. 4. New Jersey: Prentice-Hall, 1992.

Cita MLA (9th ed.)

DOUGLAS, Evan J., i Scott CALLAN. Managerial Economics: Analysis and Strategy. ed. 4. Prentice-Hall, 1992.