Wittkower, Rudolf.
Architectural Principles, The Age of Humanism.
New York: W.W. Norton & Company, Inc., 1971.
Rasmussen, Steen Eilel.
Experiencing Architecture
. M.T.T. Press, 1962, The Massachusetts Institute of Technology.
Brown, Elizabeth Mills.
New Haven, A Guide to Architecture and Urban Design
. New Haven and London, Yale University Press, 1976.
Persner, Nikolaus.
An Outline of Europeon Architecture
. Penguin Booke, New York: 1943.
Clark, Gilbert and Zimmerman, Enia.
Art/Design: Communicating Visually
. Art Education, Inc., Publishers, New York: 1978, Unit 7: Environmental Design.
Fisher, Leonard Everett.
The Architects.
Franklin Watts, Inc., New York: 1970.
Salvadori, Mario.
Why Buildings Stand Up, The Strength of Architecture
. McGraw-Hill Book Company, Inc., 1982.
