APA-viite

Powers, D. L. (2010). Boundary value problems: And partial differential equations (6th ed.). Academic press.

Chicago-tyylinen lähdeviittaus

Powers, David L. Boundary Value Problems: And Partial Differential Equations. 6th ed. London: Academic press, 2010.

MLA-viite

Powers, David L. Boundary Value Problems: And Partial Differential Equations. 6th ed. Academic press, 2010.

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