Wolrd Health Organization, Regional Office for South-East Asia, & Report of a regional expert group consultation New Delhi, India. (2013). Preconception care: Report of a regional expert group consultation. World Health Organization, Regional Office for South-East Asia.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিWolrd Health Organization, Regional Office for South-East Asia, এবং India Report of a regional expert group consultation New Delhi. Preconception Care: Report of a Regional Expert Group Consultation. New Delhi, India: World Health Organization, Regional Office for South-East Asia, 2013.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিWolrd Health Organization, Regional Office for South-East Asia, এবং India Report of a regional expert group consultation New Delhi. Preconception Care: Report of a Regional Expert Group Consultation. World Health Organization, Regional Office for South-East Asia, 2013.