HART, F., HENN, W., & SONTAG, H. (1978). Principles of design and construction: Multy-storeybuildings in steel. Granada.
Chicago-viite (17. p.)HART, F., W. HENN, ja H. SONTAG. Principles of Design and Construction: Multy-storeybuildings in Steel. London: Granada, 1978.
MLA-viite (9. p.)HART, F., et al. Principles of Design and Construction: Multy-storeybuildings in Steel. Granada, 1978.
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