Παραπομπή APA

Anastassiou, G. A. (2015). Frontiers in approximation theory. World Scientific.

Παραπομπή Chicago Style

Anastassiou, George A. Frontiers in Approximation Theory. New Jersey: World Scientific, 2015.

Παραπομπή MLA

Anastassiou, George A. Frontiers in Approximation Theory. World Scientific, 2015.