APA
India: Min. Of Labour, Labour Bureau, . (1993). Annual Survey Of Industries 1980-81: Vol.II-Part I:Detailed Summary Report. Chandigarh: Govt.Of India.
Chicago
India: Min. Of Labour, Labour Bureau, . 1993. Annual Survey Of Industries 1980-81: Vol.II-Part I:Detailed Summary Report. Chandigarh: Govt.Of India.
Harvard
India: Min. Of Labour, Labour Bureau, . (1993). Annual Survey Of Industries 1980-81: Vol.II-Part I:Detailed Summary Report. Chandigarh: Govt.Of India.
MLA
India: Min. Of Labour, Labour Bureau, . Annual Survey Of Industries 1980-81: Vol.II-Part I:Detailed Summary Report. Chandigarh: Govt.Of India. 1993.