Swokowski, E. W. (2019). Precalculus: Functions & graphs (13th edition.). Cengage.
Chicagoスタイル(17版)引用形式Swokowski, Earl W. Precalculus: Functions & Graphs. 13th edition. Boston, MA: Cengage, 2019.
MLA(9版)引用形式Swokowski, Earl W. Precalculus: Functions & Graphs. 13th edition. Cengage, 2019.
警告: この引用は必ずしも正確ではありません.