APA (7e ed.) Bronvermelding

Villegas, B. M. (2002). Why contributions to SSS must increase. IN Business and society [column]. Manila Bulletin.

Chicago (17e ed.) Bronvermelding

Villegas, Bernardo M. "Why Contributions to SSS Must Increase. IN Business and Society [column]." Manila Bulletin 2002.

MLA (9e ed.) Bronvermelding

Villegas, Bernardo M. "Why Contributions to SSS Must Increase. IN Business and Society [column]." Manila Bulletin, 2002.