APA-referens (7:e uppl.)

Plossl, G. (1995). Orlicky`s material requirements planning (2nd.). Mc graw hill.

Chicago-referens (17:e uppl.)

Plossl, George. Orlicky`s Material Requirements Planning. 2nd. New york: Mc graw hill, 1995.

MLA-referens (9:e uppl.)

Plossl, George. Orlicky`s Material Requirements Planning. 2nd. Mc graw hill, 1995.