Gaya APA
Pinsky, M, A. (1998).
Partial Differential Equations And Boundary-Value Problems With Applications Third Edition .
United States:
McGraw-Hill Book Company.
Gaya MLA
Pinsky, Mark, A..
"Partial Differential Equations And Boundary-Value Problems With Applications Third Edition".
United States:
McGraw-Hill Book Company,
1998.
Text.