Παραπομπή σε μορφή APA (7η εκδ.)

Chabrowski, J. (1997). Variational methods for potential operator equations: With applications to nonlinear elliptic equations. Walter de Gruyter.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Chabrowski, Jan. Variational Methods for Potential Operator Equations: With Applications to Nonlinear Elliptic Equations. New York: Walter de Gruyter, 1997.

Παραπομπή σε μορφή MLA (9th εκδ.)

Chabrowski, Jan. Variational Methods for Potential Operator Equations: With Applications to Nonlinear Elliptic Equations. Walter de Gruyter, 1997.