Cita APA (7a ed.)

Isaac, N. B. (1999). Philippine Chamber of Commerce and Industry: 25th Philippine business confab. Manila Bulletin.

Cita Chicago Style (17a ed.)

Isaac, Norman B. "Philippine Chamber of Commerce and Industry: 25th Philippine Business Confab." Manila Bulletin 1999.

Cita MLA (9a ed.)

Isaac, Norman B. "Philippine Chamber of Commerce and Industry: 25th Philippine Business Confab." Manila Bulletin, 1999.