Calica, M. A. L. (2000). US to Sayyaf: No deal : Washington demands hostage's immediate unconditional release. Philippine Star.
Cita Chicago (17th ed.)Calica, Ma. Aurea L. "US to Sayyaf: No Deal : Washington Demands Hostage's Immediate Unconditional Release." Philippine Star 2000.
Cita MLA (9th ed.)Calica, Ma. Aurea L. "US to Sayyaf: No Deal : Washington Demands Hostage's Immediate Unconditional Release." Philippine Star, 2000.
Atenció: Aquestes cites poden no estar 100% correctes.