Navaratnam, V. (1990). A ten year retrospective follow-up of drug dependence career. Pusat Penyelidikan Dadah dan Ubat-Ubatan (Centre for Drug Research), Universiti Sains Malaysia.
Čikaški stil citiranja (17. izdanje)Navaratnam, V. A Ten Year Retrospective Follow-up of Drug Dependence Career. Minden, Pulau Pinang: Pusat Penyelidikan Dadah dan Ubat-Ubatan (Centre for Drug Research), Universiti Sains Malaysia, 1990.
MLA način citiranja (8. izdanje)Navaratnam, V. A Ten Year Retrospective Follow-up of Drug Dependence Career. Pusat Penyelidikan Dadah dan Ubat-Ubatan (Centre for Drug Research), Universiti Sains Malaysia, 1990.
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