Παραπομπή σε μορφή APA (7η εκδ.)

Johnson, C. (1987). Numerical solution of patrial differential equations by the finite element method. Cambridge University Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Johnson, Claes. Numerical Solution of Patrial Differential Equations by the Finite Element Method. Cambridge: Cambridge University Press, 1987.

Παραπομπή σε μορφή MLA (8th εκδ.)

Johnson, Claes. Numerical Solution of Patrial Differential Equations by the Finite Element Method. Cambridge University Press, 1987.