Venugopal, P. K. (1981). George Stephenson, Henry Ford, Wright sahodaranmaar.
Chicago Edition CitationVenugopal, P K. George Stephenson, Henry Ford, Wright Sahodaranmaar. Kottayam, Kairali Childrens Book Trust, 1981.
MLA Edition CitationVenugopal, P K. George Stephenson, Henry Ford, Wright Sahodaranmaar. 1981.
Warning: These citations may not always be 100% accurate.