Cita APA (7th ed.)

Optner, S. L. (1968). Systems analysis for business management (2d ed.). Prentice-Hall.

Cita Chicago (17th ed.)

Optner, Stanford L. Systems Analysis for Business Management. 2d ed. Englewood Cliffs, N.J.: Prentice-Hall, 1968.

Cita MLA (8th ed.)

Optner, Stanford L. Systems Analysis for Business Management. 2d ed. Prentice-Hall, 1968.