APA aipamena

Charlton, A., & Blair, V. (1989). Absence from school related to children's and parental smoking habits.

Chicago Style aipamena

Charlton, A., and V. Blair. Absence From School Related to Children's and Parental Smoking Habits. 1989.

MLA aipamena

Charlton, A., and V. Blair. Absence From School Related to Children's and Parental Smoking Habits. 1989.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.