Plossl, G. (1995). Orlicky`s material requirements planning (2nd.). Mc graw hill.
Cita Chicago Style (17a ed.)Plossl, George. Orlicky`s Material Requirements Planning. 2nd. New york: Mc graw hill, 1995.
Cita MLA (9a ed.)Plossl, George. Orlicky`s Material Requirements Planning. 2nd. Mc graw hill, 1995.
Precaución: Estas citas no son 100% exactas.