Não informado. (1972). Health Services Reports. Health Services and Mental Health Administration.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিNão informado. Health Services Reports. Rockville, Md: Health Services and Mental Health Administration, 1972.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিNão informado. Health Services Reports. Health Services and Mental Health Administration, 1972.
সতর্কবাণী: সাইটেশন সবসময় 100% নির্ভুল হতে পারে না.