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 The Golden Ratio  Story Of Phi, The World's Most Astonishing Number by Mario Livio, 20030101
 The Golden Ratio The Story of PHI the Worlds Most Astonishing Number
 Discover it!: Fractions, area, perimeter, Pythagoras, golden ratio, limits by Manuel Dominguez, 1986
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 The Golden Ratio: The Story of Phi, the World's Most Astonishing Number by Mario Livio, 20020101
 The Golden Section: An Ancient Egyptian and Grecian Proportion by Steven L Griffing, 20071119
 Number Theory and the Periodicity of Matter by Jan C. A. Boeyens, Demetrius C. Levendis, 20101130
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 GEOMETRY AND PLANNING: An entry from Gale's <i>Arts and Humanities Through the Eras</i>
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