Παραπομπή APA

Swetz, F. J. (2012). Mathematical expeditions: Exploring word problems across the ages. Johns Hopkins University Press.

Παραπομπή Chicago Style

Swetz, Frank J. Mathematical Expeditions: Exploring Word Problems Across the Ages. Baltimore: Johns Hopkins University Press, 2012.

Παραπομπή MLA

Swetz, Frank J. Mathematical Expeditions: Exploring Word Problems Across the Ages. Johns Hopkins University Press, 2012.