APA-čujuhus (7. p.)
OPPENHEIMER, E., & ET AL. DEATH AND SURVIVAL IN A COHORT OF HEROIN ADDICTS FROM LONDON CLINICS: A 22-YEAR FOLLOW-UP STUDY.
Chicago-čujuhus (17. p.)
OPPENHEIMER, E., juo ET AL. DEATH AND SURVIVAL IN A COHORT OF HEROIN ADDICTS FROM LONDON CLINICS: A 22-YEAR FOLLOW-UP STUDY.
MLA-čujuhus (9. p.)
OPPENHEIMER, E., juo ET AL. DEATH AND SURVIVAL IN A COHORT OF HEROIN ADDICTS FROM LONDON CLINICS: A 22-YEAR FOLLOW-UP STUDY.
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