Navaratnam, V., Foong, K., & Kulalmoli S. (1992). An evaluation study of the drug treatment and rehabilitation programme at a drug treatment centre. Pusat Penyelidikan Dadah dan Ubat-Ubatan (Centre for Drug Research), Universiti Sains Malaysia.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিNavaratnam, V., Kin Foong, এবং Kulalmoli S. An Evaluation Study of the Drug Treatment and Rehabilitation Programme at a Drug Treatment Centre. Pulau Pinang: Pusat Penyelidikan Dadah dan Ubat-Ubatan (Centre for Drug Research), Universiti Sains Malaysia, 1992.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিNavaratnam, V., et al. An Evaluation Study of the Drug Treatment and Rehabilitation Programme at a Drug Treatment Centre. Pusat Penyelidikan Dadah dan Ubat-Ubatan (Centre for Drug Research), Universiti Sains Malaysia, 1992.