APA (7e ed.) Bronvermelding

Villegas, B. M. (2000). It's strategic planning time again. IN Business and society [column]. Manila Bulletin.

Chicago (17e ed.) Bronvermelding

Villegas, Bernardo M. "It's Strategic Planning Time Again. IN Business and Society [column]." Manila Bulletin 2000.

MLA (9e ed.) Bronvermelding

Villegas, Bernardo M. "It's Strategic Planning Time Again. IN Business and Society [column]." Manila Bulletin, 2000.