Citazione Stile APA (7a Edizione)

Powers, D. L. (2006). Boundary value problems: And partial differential equations (5th ed.). Elsevier.

Citazione stile Chigago Style (17a edizione)

Powers, David L. Boundary Value Problems: And Partial Differential Equations. 5th ed. Amsterdam: Elsevier, 2006.

Citatione MLA (9a ed.)

Powers, David L. Boundary Value Problems: And Partial Differential Equations. 5th ed. Elsevier, 2006.