Williams, R. (1979). The geometrical foundation of natural structure: A source book of design. Dover.
Chicagoスタイル(17版)引用形式Williams, Robert. The Geometrical Foundation of Natural Structure: A Source Book of Design. Nueva York: Dover, 1979.
MLA(9版)引用形式Williams, Robert. The Geometrical Foundation of Natural Structure: A Source Book of Design. Dover, 1979.
警告: この引用は必ずしも正確ではありません.