APA-viite (7. p.)
Higgins, K., & et al. (2018). The Belfast Youth Development Study (BYDS): A prospective cohort study of the initiation, persistence and desistance of substance use from adolescence to adulthood in Northern Ireland.
Chicago-viite (17. p.)
Higgins, K., ja et al. The Belfast Youth Development Study (BYDS): A Prospective Cohort Study of the Initiation, Persistence and Desistance of Substance Use from Adolescence to Adulthood in Northern Ireland. 2018.
MLA-viite (9. p.)
Higgins, K., ja et al. The Belfast Youth Development Study (BYDS): A Prospective Cohort Study of the Initiation, Persistence and Desistance of Substance Use from Adolescence to Adulthood in Northern Ireland. 2018.
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