Cita APA (7a ed.)

Wilkes, F. M. (1980). Elements of Operational Research. McGraw-Hill.

Cita Chicago Style (17a ed.)

Wilkes, F. M. Elements of Operational Research. London: McGraw-Hill, 1980.

Cita MLA (9a ed.)

Wilkes, F. M. Elements of Operational Research. McGraw-Hill, 1980.