APA ציטוט

Pernia, E. M. (1974). The Philippine urban structure. s.n.].

Chicago Style (17th ed.) Citation

Pernia, Ernesto M. The Philippine Urban Structure. [S.l: s.n.], 1974.

ציטוט MLA

Pernia, Ernesto M. The Philippine Urban Structure. s.n.], 1974.