Young, F. H. (1961). Pythagorean numbers: Congruences, a finite arithmetic. Geometry in the number plane. Ginn.
芝加哥风格引文Young, Frederick H. Pythagorean Numbers: Congruences, a Finite Arithmetic. Geometry in the Number Plane. Boston: Ginn, 1961.
MLA引文Young, Frederick H. Pythagorean Numbers: Congruences, a Finite Arithmetic. Geometry in the Number Plane. Ginn, 1961.
警告：这些引文格式不一定是100％准确.