WALKER, J. R. (2017). Introduction to hospitality. Pearson Education.
Chicago-čujuhus (17. p.)WALKER, John R. Introduction to Hospitality. Pearson Education, 2017.
MLA-čujuhus (9. p.)WALKER, John R. Introduction to Hospitality. Pearson Education, 2017.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.