APA (7th ed.) Zitazioa

Marketing i Menedžment Innovacij | Sumy State University. Cambridge University Press.

Chicago Style (17th ed.) Zitazioa

Marketing I Menedžment Innovacij | Sumy State University. Cambridge University Press.

MLA (9th ed.) Zitazioa

Marketing I Menedžment Innovacij | Sumy State University. Cambridge University Press.