Παραπομπή APA

Abbasi, S. A. (1998). Heavy metals in the environment. Mittal Publications.

Παραπομπή Chicago Style

Abbasi, S. A. Heavy Metals in the Environment. New Delhi: Mittal Publications, 1998.

Παραπομπή MLA

Abbasi, S. A. Heavy Metals in the Environment. Mittal Publications, 1998.