Elhamy, M. A. (1967). The Unified System of Accounting in Czechoslovakia. The Institute of National Planning.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিElhamy, Mohamed Adel. The Unified System of Accounting in Czechoslovakia. Cairo: The Institute of National Planning, 1967.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিElhamy, Mohamed Adel. The Unified System of Accounting in Czechoslovakia. The Institute of National Planning, 1967.