LES GIBLIN. (2014). CORE SELLING SKILLS. EMBASSY BOOK.
Chicago Style (17th ed.) CitationLES GIBLIN. CORE SELLING SKILLS. MUMBAI: EMBASSY BOOK, 2014.
MLA (9th ed.) CitationLES GIBLIN. CORE SELLING SKILLS. EMBASSY BOOK, 2014.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.