Villegas, B. M. (2000). It's strategic planning time again. IN Business and society [column]. Manila Bulletin.
Chicago-referens (17:e uppl.)Villegas, Bernardo M. "It's Strategic Planning Time Again. IN Business and Society [column]." Manila Bulletin 2000.
MLA-referens (9:e uppl.)Villegas, Bernardo M. "It's Strategic Planning Time Again. IN Business and Society [column]." Manila Bulletin, 2000.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.