School mathematics study group. (1959). Junior High School Mathematics Units: Volume I, Number Systems ; Commentary for Teachers. Yale University.
芝加哥风格引文School mathematics study group. Junior High School Mathematics Units: Volume I, Number Systems ; Commentary for Teachers. Connecticut: Yale University, 1959.
MLA引文School mathematics study group. Junior High School Mathematics Units: Volume I, Number Systems ; Commentary for Teachers. Yale University, 1959.
警告:这些引文格式不一定是100%准确.