Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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