Crosby Lockwood Staples, 1978

 Buku Teks

The Steel Construction Institute ; edited by Graham W. Owens, Peter R. Knowles with the assistance of an advisory committee, chaired by Patrick J. Dowling

Blackwell Scientific Publications, 1992

 Buku Referensi

Cooper, B. T.

Binarupa Aksara, 1989

 Buku Teks

Walker, Rodger

An Arbor Science, 1972

 Buku Teks

Stutzman, Warren L.

John Wiley & Son, c1981

 Buku Teks