Porter, R. I. (1977). A school course in vectors. G. Bell & Sons.
Chicagoスタイル(17版)引用形式Porter, R. I. A School Course in Vectors. London: G. Bell & Sons, 1977.
MLA(9版)引用形式Porter, R. I. A School Course in Vectors. G. Bell & Sons, 1977.
警告: この引用は必ずしも正確ではありません.