APA (7e ed.) Bronvermelding

Berlage, L. (1975). On the mathematics of economic aid. St. Ignatius Faculties.

Chicago (17e ed.) Bronvermelding

Berlage, L. On the Mathematics of Economic Aid. Antwerp, Belgium: St. Ignatius Faculties, 1975.

MLA (9e ed.) Bronvermelding

Berlage, L. On the Mathematics of Economic Aid. St. Ignatius Faculties, 1975.