Παραπομπή APA

India national productivity council. (1963). Productivity - N.P.C. journal: Vol 4 (4 issues) 1963. National productivity council.

Παραπομπή Chicago Style

India national productivity council. Productivity - N.P.C. Journal: Vol 4 (4 Issues) 1963. India: National productivity council, 1963.

Παραπομπή MLA

India national productivity council. Productivity - N.P.C. Journal: Vol 4 (4 Issues) 1963. National productivity council, 1963.