Παραπομπή APA

Venkiteswaran, S. L. (1977). Petrochemicals. Colour Publications.

Παραπομπή Chicago Style

Venkiteswaran, S. L. Petrochemicals. Bombay: Colour Publications, 1977.

Παραπομπή MLA

Venkiteswaran, S. L. Petrochemicals. Colour Publications, 1977.