एपीए उद्धरण

Bowles, J. E. (1981). Structural steel design. Mc Graw - Hill.

शिकागो स्टाइल उद्धरण

Bowles, Joseph E. Structural Steel Design. New Delhi: Mc Graw - Hill, 1981.

एमएलए उद्धरण

Bowles, Joseph E. Structural Steel Design. Mc Graw - Hill, 1981.