APA (7e ed.) Bronvermelding

Flieger, W., & Cabigon, J. (1994). Life table estimates, its regions and provinces, by sex: 1970, 1980 and 1990. Department of Hearlth.

Chicago (17e ed.) Bronvermelding

Flieger, Wilhelm, en Josefina Cabigon. Life Table Estimates, Its Regions and Provinces, by Sex: 1970, 1980 and 1990. s. l: Department of Hearlth, 1994.

MLA (9e ed.) Bronvermelding

Flieger, Wilhelm, en Josefina Cabigon. Life Table Estimates, Its Regions and Provinces, by Sex: 1970, 1980 and 1990. Department of Hearlth, 1994.