APA-ийн эшлэл(7 дахь хэвлэлт)

Knabner, P., & Angermann, L. (2003). Numerical methods for elliptic and parabolic partial differential equations. Springer.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Knabner, Peter, ба Lutz Angermann. Numerical Methods for Elliptic and Parabolic Partial Differential Equations. New York: Springer, 2003.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Knabner, Peter, ба Lutz Angermann. Numerical Methods for Elliptic and Parabolic Partial Differential Equations. Springer, 2003.