Cita APA (7th ed.)

Pisay Cagayan Valley wins Shell's 'Bright Ideas Challenge'. The Philippine Star.

Cita Chicago (17th ed.)

"Pisay Cagayan Valley Wins Shell's 'Bright Ideas Challenge'." The Philippine Star .

Cita MLA (9th ed.)

"Pisay Cagayan Valley Wins Shell's 'Bright Ideas Challenge'." The Philippine Star, .

Atenció: Aquestes cites poden no estar 100% correctes.