APA-viite (7. p.)

Gustafson, K. E. (1999). Introduction to partial differential equations and Hilbert space methods (Third edition, revised.). Dover Publications.

Chicago-viite (17. p.)

Gustafson, Karl E. Introduction to Partial Differential Equations and Hilbert Space Methods. Third edition, revised. Mineola, N.Y: Dover Publications, 1999.

MLA-viite (9. p.)

Gustafson, Karl E. Introduction to Partial Differential Equations and Hilbert Space Methods. Third edition, revised. Dover Publications, 1999.