APA-čujuhus (7. p.)
Varela, J. C. S. (2015). European Business Review. Emerald.
Chicago-čujuhus (17. p.)
Varela, Juan Carlos Sosa. European Business Review. [Bradford, England]: Emerald, 2015.
MLA-čujuhus (9. p.)
Varela, Juan Carlos Sosa. European Business Review. Emerald, 2015.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.