APA aipamena

National productivity council. (1959). Productivity journal of NPC Vol Ni.1 1959-60. NPC.

Chicago Style aipamena

National productivity council. Productivity Journal of NPC Vol Ni.1 1959-60. New Delhi: NPC, 1959.

MLA aipamena

National productivity council. Productivity Journal of NPC Vol Ni.1 1959-60. NPC, 1959.