Παραπομπή σε μορφή APA (7η εκδ.)

Frank, L. (1990). Toeplitz operators and the theory of one parameter families of difference operators. Catholic University of Nijmegen.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Frank, L.S. Toeplitz Operators and the Theory of One Parameter Families of Difference Operators. Nijmegen: Catholic University of Nijmegen, 1990.

Παραπομπή σε μορφή MLA (8th εκδ.)

Frank, L.S. Toeplitz Operators and the Theory of One Parameter Families of Difference Operators. Catholic University of Nijmegen, 1990.