Παραπομπή σε μορφή APA (7η εκδ.)

Butzer, P. L., Szokefalvi-Nagy, B., & Gorlich, E. (1981). Functional analysis and approximation: Proceedings of the conference held at the Mathematical Research Institute at Oberwolfach, Black Forest, August 9-16, 1980. Birkhäuser Verlag.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Butzer, Paul Leo, Bela Szokefalvi-Nagy, και E. Gorlich. Functional Analysis and Approximation: Proceedings of the Conference Held at the Mathematical Research Institute at Oberwolfach, Black Forest, August 9-16, 1980. Basel ; Boston: Birkhäuser Verlag, 1981.

Παραπομπή σε μορφή MLA (9th εκδ.)

Butzer, Paul Leo, et al. Functional Analysis and Approximation: Proceedings of the Conference Held at the Mathematical Research Institute at Oberwolfach, Black Forest, August 9-16, 1980. Birkhäuser Verlag, 1981.