Cita APA (7a ed.)

LES GIBLIN. (2014). CORE SELLING SKILLS. EMBASSY BOOK.

Cita Chicago Style (17a ed.)

LES GIBLIN. CORE SELLING SKILLS. MUMBAI: EMBASSY BOOK, 2014.

Cita MLA (9a ed.)

LES GIBLIN. CORE SELLING SKILLS. EMBASSY BOOK, 2014.