APA (7th ed.) Zitazioa
Souter Gerry. (1997). Buying and selling multimedia services. Focal Press.
Chicago Style (17th ed.) Zitazioa
Souter Gerry. Buying and Selling Multimedia Services. New Delhi: Focal Press, 1997.
MLA (9th ed.) Zitazioa
Souter Gerry. Buying and Selling Multimedia Services. Focal Press, 1997.
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