Παραπομπή APA

Carasso, A., & Stone, A. P. (1975). Improperly posed boundary value problems. Pitman.

Παραπομπή Chicago Style

Carasso, A., και A P. Stone. Improperly Posed Boundary Value Problems. London: Pitman, 1975.

Παραπομπή MLA

Carasso, A., και A P. Stone. Improperly Posed Boundary Value Problems. Pitman, 1975.