Gaya APA

Arora, D, K. (2003). ISO 9000 to OHAS 18001 .  New Delhi, India: S.K. Kataria & Sons.

Gaya MLA

Arora, DR., K.C.. "ISO 9000 to OHAS 18001".  New Delhi, India: S.K. Kataria & Sons, 2003. Text.