Gerodias, R. S. (2001). Learning how to be a big brother or sister. IN Teacher tips [column]. Philippine Star.
Citación estilo ChicagoGerodias, Rebecca S. "Learning How to Be a Big Brother or Sister. IN Teacher Tips [column]." Philippine Star 2001.
Cita MLAGerodias, Rebecca S. "Learning How to Be a Big Brother or Sister. IN Teacher Tips [column]." Philippine Star, 2001.
Warning: These citations may not always be 100% accurate.