Cita APA (7th ed.)

Williams, N. (1967). Linear and non-linear programming in industry. Pitman.

Cita Chicago (17th ed.)

Williams, N. Linear and Non-linear Programming in Industry. London: Pitman, 1967.

Cita MLA (9th ed.)

Williams, N. Linear and Non-linear Programming in Industry. Pitman, 1967.

Atenció: Aquestes cites poden no estar 100% correctes.