SpringerLink (Online service) & Surblytė, G. (2015). Competition on the internet. Springer Berlin Heidelberg Imprint: Springer.
Čikaški stil citiranja (17. izdanje)SpringerLink (Online service) i Gintarė Surblytė. Competition on the Internet. Berlin, Heidelberg: Springer Berlin Heidelberg Imprint: Springer, 2015.
MLA način citiranja (8. izdanje)SpringerLink (Online service) i Gintarė Surblytė. Competition on the Internet. Springer Berlin Heidelberg Imprint: Springer, 2015.
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