APA引文

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

Chicago Style (17th ed.) Citation

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

MLA引文

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

警告：這些引文格式不一定是100％准確.