APA (7e ed.) Bronvermelding

Flieger, W., Koppin, B., & Lim, C. (1976). Geographical patterns of internal migration in the Philippines: 1960-1970. National Census and Statistics Office.

Chicago (17e ed.) Bronvermelding

Flieger, Wilhelm, Brigida Koppin, en Carmencita Lim. Geographical Patterns of Internal Migration in the Philippines: 1960-1970. Manila: National Census and Statistics Office, 1976.

MLA (9e ed.) Bronvermelding

Flieger, Wilhelm, et al. Geographical Patterns of Internal Migration in the Philippines: 1960-1970. National Census and Statistics Office, 1976.