Cartwright, A. (1970). Parents and family planning services. Routledge & Kegan Paul.
Citazione stile Chigago Style (17a edizione)Cartwright, Ann. Parents and Family Planning Services. London: Routledge & Kegan Paul, 1970.
Citatione MLA (9a ed.)Cartwright, Ann. Parents and Family Planning Services. Routledge & Kegan Paul, 1970.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.