APA (7th ed.) Citation

Pernia, E. M. (1975). Patterns of Philippine internal migration. s.n.].

Chicago Style (17th ed.) Citation

Pernia, Ernesto M. Patterns of Philippine Internal Migration. [S.l: s.n.], 1975.

MLA (9th ed.) Citation

Pernia, Ernesto M. Patterns of Philippine Internal Migration. s.n.], 1975.

Warning: These citations may not always be 100% accurate.