Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.