Lal, S. (1978). Legal requirements for an indistrial unit at work (1st.). Navrang.
Chicago-referens (17:e uppl.)Lal, Sudarshan. Legal Requirements for an Indistrial Unit at Work. 1st. New Delhi: Navrang, 1978.
MLA-referens (9:e uppl.)Lal, Sudarshan. Legal Requirements for an Indistrial Unit at Work. 1st. Navrang, 1978.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.