Lal, B. S. (2016). Public health environment & social issues In India. Serials.
Chicago-referens (17:e uppl.)Lal, B Suresh. Public Health Environment & Social Issues In India. New Delhi: Serials, 2016.
MLA-referens (9:e uppl.)Lal, B Suresh. Public Health Environment & Social Issues In India. Serials, 2016.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.