Sarian, Z. B. Initial P11-B 30-km project: Japanese consortium to build Metro subway. IN Agriculture News. Manila Bulletin.
Cita Chicago (17th ed.)Sarian, Zac B. "Initial P11-B 30-km Project: Japanese Consortium to Build Metro Subway. IN Agriculture News." Manila Bulletin .
Cita MLA (9th ed.)Sarian, Zac B. "Initial P11-B 30-km Project: Japanese Consortium to Build Metro Subway. IN Agriculture News." Manila Bulletin, .
Atenció: Aquestes cites poden no estar 100% correctes.