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শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি(CREHPA), Center for Research on Environment Health and Population Activities. Pre-intervention Baseline Survey on Effectiveness of Nurse and Paramedic Network: An Operations Research Study. Center for Research on Environment Health and Population Activities (CREHPA), 2013.
M.L.A (8 ম সংস্করণ) উদ্ধৃতি(CREHPA), Center for Research on Environment Health and Population Activities. Pre-intervention Baseline Survey on Effectiveness of Nurse and Paramedic Network: An Operations Research Study. Center for Research on Environment Health and Population Activities (CREHPA), 2013.