APA (7e ed.) Bronvermelding

Hellman, H. (1975). Psychosocial and cultural determinants of population policy. Interdisciplinary Communications Program.

Chicago (17e ed.) Bronvermelding

Hellman, Hal. Psychosocial and Cultural Determinants of Population Policy. Washington: Interdisciplinary Communications Program, 1975.

MLA (9e ed.) Bronvermelding

Hellman, Hal. Psychosocial and Cultural Determinants of Population Policy. Interdisciplinary Communications Program, 1975.