Παραπομπή APA

Fiala, F. (1970). teaching of mathematics at university level. George G Harrap.

Παραπομπή Chicago Style

Fiala, F. Teaching of Mathematics at University Level. London: George G Harrap, 1970.

Παραπομπή MLA

Fiala, F. Teaching of Mathematics at University Level. George G Harrap, 1970.