Não informado. (2014). Quality and Quantity. Kluwer Academic Publishers.
Lua i Stíl Chicago (17ú heag.)Não informado. Quality and Quantity. Dordrecht, Holanda: Kluwer Academic Publishers, 2014.
Lua MLA (8ú heag.)Não informado. Quality and Quantity. Kluwer Academic Publishers, 2014.
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