APA
Rangwala S. C., Rangwala P. S. & Rangwala S. C. (1969). Engineering materials. Gujarat: .
Chicago
Rangwala S C, Rangwala P S and Rangwala S C. 1969. Engineering materials. Gujarat: .
Harvard
Rangwala S. C., Rangwala P. S. and Rangwala S. C. (1969). Engineering materials. Gujarat: .
MLA
Rangwala S C, Rangwala P S and Rangwala S C. Engineering materials. Gujarat: . 1969.