Παραπομπή APA

George, P. (1994). Orlicky's material requirements planning (2nd ed.). McGraw Hill.

Παραπομπή Chicago Style

George, Ploss. Orlicky's Material Requirements Planning. 2nd ed. New York: McGraw Hill, 1994.

Παραπομπή MLA

George, Ploss. Orlicky's Material Requirements Planning. 2nd ed. McGraw Hill, 1994.