Lippe, P. v. d. (2001). Chain Indices: A Study in Price Index Theory. Metzler-Poeschel.
Lua i Stíl Chicago (17ú heag.)Lippe, Peter von der. Chain Indices: A Study in Price Index Theory. Stuttgart: Metzler-Poeschel, 2001.
Lua MLA (8ú heag.)Lippe, Peter von der. Chain Indices: A Study in Price Index Theory. Metzler-Poeschel, 2001.
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