Vasudevan P. A. (1985). Vyaavasaayika Bandhangalum Trade Union Pravarthanangalum. Kerala Bhasha Institute.
Chicago Edition CitationVasudevan P. A. Vyaavasaayika Bandhangalum Trade Union Pravarthanangalum. Thiruvananthapuram: Kerala Bhasha Institute, 1985.
MLA Edition CitationVasudevan P. A. Vyaavasaayika Bandhangalum Trade Union Pravarthanangalum. Kerala Bhasha Institute, 1985.
Warning: These citations may not always be 100% accurate.