Cita APA (7th ed.)

Zangwill, W., & Garcia, C. (1981). Pathways to solutions, fixed points, and eqilibria. Prentice-Hall.

Cita Chicago (17th ed.)

Zangwill, W.I, i C.B Garcia. Pathways to Solutions, Fixed Points, and Eqilibria. Englewood Cliffs, N.J: Prentice-Hall, 1981.

Cita MLA (9th ed.)

Zangwill, W.I, i C.B Garcia. Pathways to Solutions, Fixed Points, and Eqilibria. Prentice-Hall, 1981.

Atenció: Aquestes cites poden no estar 100% correctes.