Cita APA (7th ed.)

Ostwald, P. F. (1974). Cost estimating for engineering and management. Prentice-Hall.

Cita Chicago (17th ed.)

Ostwald, Phillip F. Cost Estimating for Engineering and Management. Englewood Cliffs: Prentice-Hall, 1974.

Cita MLA (9th ed.)

Ostwald, Phillip F. Cost Estimating for Engineering and Management. Prentice-Hall, 1974.

Atenció: Aquestes cites poden no estar 100% correctes.