Pytel, A. (1994). Student study guide to accompany engineering mechanics: Statics. New York: HarperCollins College Publishers.
Chicago-tyylinen lähdeviittausPytel, Andrew. Student Study Guide to Accompany Engineering Mechanics: Statics. New York: HarperCollins College Publishers, 1994.
MLA-viitePytel, Andrew. Student Study Guide to Accompany Engineering Mechanics: Statics. New York: HarperCollins College Publishers, 1994.
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