Ridgway, A. C. (1911). Cost accounts in principle and practice: By A. Clifford Ridgway. I. Pitman & sons.
Lua i Stíl Chicago (17ú heag.)Ridgway, Arthur Clifford. Cost Accounts in Principle and Practice: By A. Clifford Ridgway. London, Bath and New York: I. Pitman & sons, 1911.
Lua MLA (8ú heag.)Ridgway, Arthur Clifford. Cost Accounts in Principle and Practice: By A. Clifford Ridgway. I. Pitman & sons, 1911.
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