Παραπομπή APA

Bland, D. R. (1961). Solutions of laplace's equation. Routledge and KeganPaul.

Παραπομπή Chicago Style

Bland, D R. Solutions of Laplace's Equation. London: Routledge and KeganPaul, 1961.

Παραπομπή MLA

Bland, D R. Solutions of Laplace's Equation. Routledge and KeganPaul, 1961.