A., H., D., Thomas, B., G.(1994).Principles of timber design for architects and builders / Don A. Halperin, G. Thomas Bible .New York:John Wiley n Sons.
Gaya MLA
Halperin, Don, A.., Bible, G., Thomas."Principles of timber design for architects and builders / Don A. Halperin, G. Thomas Bible".New York:John Wiley n Sons,1994.Textbook.