APA
Punmia B.C, Lal B.B, . (1987). Structural Steel design Irrigation Water Power Engineering. New Delhi: Standard Publications, Delhi.
Chicago
Punmia B.C, Lal B.B, . 1987. Structural Steel design Irrigation Water Power Engineering. New Delhi: Standard Publications, Delhi.
Harvard
Punmia B.C, Lal B.B, . (1987). Structural Steel design Irrigation Water Power Engineering. New Delhi: Standard Publications, Delhi.
MLA
Punmia B.C, Lal B.B, . Structural Steel design Irrigation Water Power Engineering. New Delhi: Standard Publications, Delhi. 1987.