Não informado. (1905). School science and mathematics. School Science and Mathematics Association.
Chicagoスタイル(17版)引用形式Não informado. School Science and Mathematics. Menasha, Wis: School Science and Mathematics Association, 1905.
MLA(8版)引用形式Não informado. School Science and Mathematics. School Science and Mathematics Association, 1905.
警告: この引用は必ずしも正確ではありません.