Lua APA (7ú heag.)

Vossen, G. (1991). Data models, database languages and database management systems. Addison Wesley.

Lua i Stíl Chicago (17ú heag.)

Vossen, Gottfried. Data Models, Database Languages and Database Management Systems. Wokingham, England: Addison Wesley, 1991.

Lua MLA (9ú heag.)

Vossen, Gottfried. Data Models, Database Languages and Database Management Systems. Addison Wesley, 1991.

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