Παραπομπή APA

Grout, C. B. a. P. (1985). Mathematics for modern <economics>. Heritage.

Παραπομπή Chicago Style

Grout, Chris Birchenhall and Paul. Mathematics for Modern <economics>. New Delhi: Heritage, 1985.

Παραπομπή MLA

Grout, Chris Birchenhall and Paul. Mathematics for Modern <economics>. Heritage, 1985.