एपीए उद्धरण

Indian Oxygen Limited. (1981). India: A statistical outline/6e (6th ed.). Oxford and IBH.

शिकागो स्टाइल उद्धरण

Indian Oxygen Limited. India: A Statistical Outline/6e. 6th ed. New Delhi: Oxford and IBH, 1981.

एमएलए उद्धरण

Indian Oxygen Limited. India: A Statistical Outline/6e. 6th ed. Oxford and IBH, 1981.