Cita APA (7th ed.)

Schweyer, H. E. (1955). Process engineering economics. McGraw-Hill.

Cita Chicago (17th ed.)

Schweyer, Herbert E. Process Engineering Economics. Nueva York: McGraw-Hill, 1955.

Cita MLA (9th ed.)

Schweyer, Herbert E. Process Engineering Economics. McGraw-Hill, 1955.

Atenció: Aquestes cites poden no estar 100% correctes.