Powers, D. L. (1987). Boundary value problems (3rd ed.). Harcourt Brace Jovanovich.
Chicagoスタイル(17版)引用形式Powers, David L. Boundary Value Problems. 3rd ed. San Diego: Harcourt Brace Jovanovich, 1987.
MLA(9版)引用形式Powers, David L. Boundary Value Problems. 3rd ed. Harcourt Brace Jovanovich, 1987.
警告: この引用は必ずしも正確ではありません.