APA (7th ed.) Zitazioa

(1987). Translating relational queries into iterative programs / Johann Christoph Freytag.

Chicago Style (17th ed.) Zitazioa

Translating Relational Queries into Iterative Programs / Johann Christoph Freytag. 1987.

MLA (9th ed.) Zitazioa

Translating Relational Queries into Iterative Programs / Johann Christoph Freytag. 1987.

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