APA(7版)引用形式

Friedman, A. (2010). Variational principles and free-boundary problems (Dover ed.). Dover.

Chicagoスタイル(17版)引用形式

Friedman, Avner. Variational Principles and Free-boundary Problems. Dover ed. Mineola, N.Y: Dover, 2010.

MLA(9版)引用形式

Friedman, Avner. Variational Principles and Free-boundary Problems. Dover ed. Dover, 2010.

警告: この引用は必ずしも正確ではありません.