Malte-Brun, C., & Percival, J. G. (1828). System of geography. S. Walker.
Chicagoスタイル(17版)引用形式Malte-Brun, Conrad, , James Gates Percival. System of Geography. Boston: S. Walker, 1828.
MLA(8版)引用形式Malte-Brun, Conrad, , James Gates Percival. System of Geography. S. Walker, 1828.
警告: この引用は必ずしも正確ではありません.