Hillen, T., Leonard, I. E., & Van Roessel, H. (2012). Partial differential equations: Theory and completely solved problems. Wiley.
Lua i Stíl Chicago (17ú heag.)Hillen, Thomas, I. Ed Leonard, agus Henry Van Roessel. Partial Differential Equations: Theory and Completely Solved Problems. Hoboken, New Jersey: Wiley, 2012.
Lua MLA (9ú heag.)Hillen, Thomas, et al. Partial Differential Equations: Theory and Completely Solved Problems. Wiley, 2012.
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