APA aipamena

Pernia, E. M. (1974). On some determinants of Philippine urbanization. s.n.].

Chicago Style aipamena

Pernia, Ernesto M. On Some Determinants of Philippine Urbanization. [S.l: s.n.], 1974.

MLA aipamena

Pernia, Ernesto M. On Some Determinants of Philippine Urbanization. s.n.], 1974.