Gaya APA

Bockrath, J, T., Plotnick, F, L. (2011). Contracts and the legal environment : for engineers and architects . New York: Mc Graw Hill.

Gaya MLA

Bockrath, Joseph, T.., Plotnick, Fredric, L.. "Contracts and the legal environment : for engineers and architects". New York: Mc Graw Hill, 2011. Text.