Pernia, E. M. (1982). The performance and prospects of small and intermediate size cities in the Philippines. University of the Philippines, School of Economics.
Lua i Stíl Chicago (17ú heag.)Pernia, Ernesto M. The Performance and Prospects of Small and Intermediate Size Cities in the Philippines. [Quezon City]: University of the Philippines, School of Economics, 1982.
Lua MLA (9ú heag.)Pernia, Ernesto M. The Performance and Prospects of Small and Intermediate Size Cities in the Philippines. University of the Philippines, School of Economics, 1982.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.