Lua APA (7ú heag.)
Hillebrand, E., & Koopman, S. J. (2016). Dynamic factor models. Emerald Group Publishing Limited.
Lua i Stíl Chicago (17ú heag.)
Hillebrand, Eric, agus S. J. Koopman. Dynamic Factor Models. Wagon Lane, Bingley, [England]: Emerald Group Publishing Limited, 2016.
Lua MLA (9ú heag.)
Hillebrand, Eric, agus S. J. Koopman. Dynamic Factor Models. Emerald Group Publishing Limited, 2016.
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