(1988). INDIAN JOURNAL OF ENVIRONMENTAL HEALTH (J). NATIONAL ENVIRONMENTAL ENGINEERING RESEARCH INSTITUTE.
استشهاد بنمط شيكاغوINDIAN JOURNAL OF ENVIRONMENTAL HEALTH (J). NAGPUR: NATIONAL ENVIRONMENTAL ENGINEERING RESEARCH INSTITUTE, 1988.
MLA استشهادINDIAN JOURNAL OF ENVIRONMENTAL HEALTH (J). NATIONAL ENVIRONMENTAL ENGINEERING RESEARCH INSTITUTE, 1988.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.