Style de citation APA (7e éd.)

Villegas, B. M. (1999). It is investing time again. IN Business and society [column]. Manila Bulletin.

Style de citation Chicago (17e éd.)

Villegas, Bernardo M. "It Is Investing Time Again. IN Business and Society [column]." Manila Bulletin 1999.

Style de citation MLA (9e éd.)

Villegas, Bernardo M. "It Is Investing Time Again. IN Business and Society [column]." Manila Bulletin, 1999.