APA (7e ed.) Bronvermelding

Katigbak, A. F. (2003). Common foot deformity (bunion) requires painful surgery: Rofecoxib provides post-operative pain relief, new study shows. Philippine Star.

Chicago (17e ed.) Bronvermelding

Katigbak, Antonio F. "Common Foot Deformity (bunion) Requires Painful Surgery: Rofecoxib Provides Post-operative Pain Relief, New Study Shows." Philippine Star 2003.

MLA (9e ed.) Bronvermelding

Katigbak, Antonio F. "Common Foot Deformity (bunion) Requires Painful Surgery: Rofecoxib Provides Post-operative Pain Relief, New Study Shows." Philippine Star, 2003.