Ram Avtar. (1971). Lectures on labour problems & social welfare in India. New Academic Pub. Co.
Chicago-referens (17:e uppl.)Ram Avtar. Lectures on Labour Problems & Social Welfare in India. Jullundur: New Academic Pub. Co, 1971.
MLA-referens (8:e uppl.)Ram Avtar. Lectures on Labour Problems & Social Welfare in India. New Academic Pub. Co, 1971.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.