Maceda, W. (1960). Effective methods of teaching science. Education Quarterly.
Citazione stile Chigago Style (17a edizione)Maceda, Wilfrido. "Effective Methods of Teaching Science." Education Quarterly 1960.
Citatione MLA (9a ed.)Maceda, Wilfrido. "Effective Methods of Teaching Science." Education Quarterly, 1960.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.