World Health Organization. (1999). Health laboratory services in support of primary health care in South - East Asia. World Health organization.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিWorld Health Organization. Health Laboratory Services in Support of Primary Health Care in South - East Asia. New Delhi: World Health organization, 1999.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিWorld Health Organization. Health Laboratory Services in Support of Primary Health Care in South - East Asia. World Health organization, 1999.
সতর্কবাণী: সাইটেশন সবসময় 100% নির্ভুল হতে পারে না.