APA ציטוט

Stakgold, I. (1968). Boundary value problems of mathematical physics. New York: Macmillan.

Trích dẫn kiểu Chicago

Stakgold, Ivar. Boundary Value Problems of Mathematical Physics. New York: Macmillan, 1968.

ציטוט MLA

Stakgold, Ivar. Boundary Value Problems of Mathematical Physics. New York: Macmillan, 1968.