Lua APA (7ú heag.)
Göbel, R., & Trlifaj, J. (2006). Approximations and endomorphism algebras of modules. Walter de Gruyter.
Lua i Stíl Chicago (17ú heag.)
Göbel, R., agus Jan Trlifaj. Approximations and Endomorphism Algebras of Modules. Berlin ; New York: Walter de Gruyter, 2006.
Lua MLA (9ú heag.)
Göbel, R., agus Jan Trlifaj. Approximations and Endomorphism Algebras of Modules. Walter de Gruyter, 2006.
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