Cita APA

Friedman, A. (1969). Partial differential equations. New York.

Chicago Edition Citation

Friedman, Avner. Partial Differential Equations. New York, 1969.

Cita MLA

Friedman, Avner. Partial Differential Equations. New York, 1969.

Atenció: Aquestes cites poden no estar 100% correctes.