(1974). Blue Cross: What went wrong? / Sylvia A. Law, principal author. "Prepared by the Health Law Project, University of Pennsylvania.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিBlue Cross: What Went Wrong? / Sylvia A. Law, Principal Author. "Prepared by the Health Law Project, University of Pennsylvania. 1974.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিBlue Cross: What Went Wrong? / Sylvia A. Law, Principal Author. "Prepared by the Health Law Project, University of Pennsylvania. 1974.
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