Παραπομπή APA

Arvind Kumar. (2002). Biomonitoring of sewage pollution. APH.

Παραπομπή Chicago Style

Arvind Kumar. Biomonitoring of Sewage Pollution. New Delhi: APH, 2002.

Παραπομπή MLA

Arvind Kumar. Biomonitoring of Sewage Pollution. APH, 2002.