PETTOFREZZO, A. J. (1969). Number systems ; structure and: Properties. Scott, Foresman.
Chicagoスタイル(17版)引用形式PETTOFREZZO, Anthony J. Number Systems ; Structure and: Properties. Glenview, Ill: Scott, Foresman, 1969.
MLA(9版)引用形式PETTOFREZZO, Anthony J. Number Systems ; Structure and: Properties. Scott, Foresman, 1969.
警告: この引用は必ずしも正確ではありません.