APA-čujuhus (7. p.)

Wirtz,Jochen & others. (2018). Services Marketing (8.). Pearson.

Chicago-čujuhus (17. p.)

Wirtz,Jochen & others. Services Marketing. 8. Nodia: Pearson, 2018.

MLA-čujuhus (9. p.)

Wirtz,Jochen & others. Services Marketing. 8. Pearson, 2018.

Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.