Cita APA (7th ed.)

Demate, C. J. M., & Yap, V. (2010). Determinants of the sustainability of duty free shops in clark freeport zone. University of the Philippines Diliman Extension Program in Pampanga.

Cita Chicago (17th ed.)

Demate, Cielo Jane M., i Virginia Yap. Determinants of the Sustainability of Duty Free Shops in Clark Freeport Zone. Pampanga: University of the Philippines Diliman Extension Program in Pampanga, 2010.

Cita MLA (9th ed.)

Demate, Cielo Jane M., i Virginia Yap. Determinants of the Sustainability of Duty Free Shops in Clark Freeport Zone. University of the Philippines Diliman Extension Program in Pampanga, 2010.