Lua APA (7ú heag.)

Borgdorf, U. (2003). Software-Tankstelle Internet. TypeWare Computing.

Lua i Stíl Chicago (17ú heag.)

Borgdorf, Ulrich. Software-Tankstelle Internet. Emden: TypeWare Computing, 2003.

Lua MLA (8ú heag.)

Borgdorf, Ulrich. Software-Tankstelle Internet. TypeWare Computing, 2003.

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