LANDERS, J. M. (1976). Construction Material, Methods, Areers Jack M. Landers. The Goodheart-Willcox Co.
Lua i Stíl Chicago (17ú heag.)LANDERS, Jack M. Construction Material, Methods, Areers Jack M. Landers. The Goodheart-Willcox Co, 1976.
Lua MLA (8ú heag.)LANDERS, Jack M. Construction Material, Methods, Areers Jack M. Landers. The Goodheart-Willcox Co, 1976.
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