LES GIBLIN. (2014). CORE SELLING SKILLS. EMBASSY BOOK.
Chicago-čujuhus (17. p.)LES GIBLIN. CORE SELLING SKILLS. MUMBAI: EMBASSY BOOK, 2014.
MLA-čujuhus (9. p.)LES GIBLIN. CORE SELLING SKILLS. EMBASSY BOOK, 2014.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.