Hellman, H. (1975). Psychosocial and cultural determinants of population policy. Interdisciplinary Communications Program.
Citazione stile Chigago Style (17a edizione)Hellman, Hal. Psychosocial and Cultural Determinants of Population Policy. Washington: Interdisciplinary Communications Program, 1975.
Citatione MLA (9a ed.)Hellman, Hal. Psychosocial and Cultural Determinants of Population Policy. Interdisciplinary Communications Program, 1975.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.