Cita APA (7th ed.)

Ptak, C. A., & Smith, C. (2024). Orlicky's material requirements planning (Fourth edition.). McGraw-Hill.

Cita Chicago (17th ed.)

Ptak, Carol A., i Chad Smith. Orlicky's Material Requirements Planning. Fourth edition. New York: McGraw-Hill, 2024.

Cita MLA (9th ed.)

Ptak, Carol A., i Chad Smith. Orlicky's Material Requirements Planning. Fourth edition. McGraw-Hill, 2024.