Swetz, F. (1999). Humanizing the teaching of mathematics. IN Commentary [column]. Philippine Daily Inquirer.
Citazione stile Chigago Style (17a edizione)Swetz, Frank. "Humanizing the Teaching of Mathematics. IN Commentary [column]." Philippine Daily Inquirer 1999.
Citatione MLA (9a ed.)Swetz, Frank. "Humanizing the Teaching of Mathematics. IN Commentary [column]." Philippine Daily Inquirer, 1999.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.