APA-čujuhus (7. p.)
Gustafson, K. E. Introduction to Partial Differential Equations and Hilbert Space Methods (3a edición.). Dover.
Chicago-čujuhus (17. p.)
Gustafson, Karl E. Introduction to Partial Differential Equations and Hilbert Space Methods. 3a edición. Nueva York, EUA: Dover.
MLA-čujuhus (9. p.)
Gustafson, Karl E. Introduction to Partial Differential Equations and Hilbert Space Methods. 3a edición. Dover.
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