APA način citiranja (7. izdanje)
CLARK, D., & ET AL. (2002). UK GERIATRICIANS' ATTITUDES TO ACTIVE VOLUNTARY EUTHANASIA AND PHYSICIAN-ASSISTED DEATH.
Čikaški stil citiranja (17. izdanje)
CLARK, D., i ET AL. UK GERIATRICIANS' ATTITUDES TO ACTIVE VOLUNTARY EUTHANASIA AND PHYSICIAN-ASSISTED DEATH. 2002.
MLA način citiranja (9. izdanje)
CLARK, D., i ET AL. UK GERIATRICIANS' ATTITUDES TO ACTIVE VOLUNTARY EUTHANASIA AND PHYSICIAN-ASSISTED DEATH. 2002.
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