Παραπομπή σε μορφή APA (7η εκδ.)

Stephani, H., & MacCallum, M. A. H. (1990). Differential Equations: Their Solution Using Symmetries. Cambridge University Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Stephani, Hans, και M. A. H. MacCallum. Differential Equations: Their Solution Using Symmetries. Cambridge: Cambridge University Press, 1990.

Παραπομπή σε μορφή MLA (9th εκδ.)

Stephani, Hans, και M. A. H. MacCallum. Differential Equations: Their Solution Using Symmetries. Cambridge University Press, 1990.