APA (7e ed.) Bronvermelding

(1961). Population by age and sex: By municipality as of 1960. s.n.

Chicago (17e ed.) Bronvermelding

Population by Age and Sex: By Municipality as of 1960. [S.l: s.n, 1961.

MLA (9e ed.) Bronvermelding

Population by Age and Sex: By Municipality as of 1960. s.n, 1961.