Emmerson, P. (2010). Business Grammar Builder: Intermediate to Upper-intermediate. London, England: Macmillan.
शिकागो स्टाइल उद्धरणEmmerson, Paul. Business Grammar Builder: Intermediate to Upper-intermediate. London, England: Macmillan, 2010.
एमएलए उद्धरणEmmerson, Paul. Business Grammar Builder: Intermediate to Upper-intermediate. London, England: Macmillan, 2010.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.