APA
George P U, . (1981). Elements of costing. : Lecture Notes of the Refresher Course for small scale rubber/ latex goods manufacturers. Kottayam, RRII, 1979/1981.
Chicago
George P U, . 1981. Elements of costing. : Lecture Notes of the Refresher Course for small scale rubber/ latex goods manufacturers. Kottayam, RRII, 1979/1981.
Harvard
George P U, . (1981). Elements of costing. : Lecture Notes of the Refresher Course for small scale rubber/ latex goods manufacturers. Kottayam, RRII, 1979/1981.
MLA
George P U, . Elements of costing. : Lecture Notes of the Refresher Course for small scale rubber/ latex goods manufacturers. Kottayam, RRII, 1979/1981. 1981.