Jones, L. (2003). BEC vantage preparation and practice for New international business English: Bonus extra CD-ROM for Windows 98, NT4, 2000, ME, XP. Cambridge (UK): Cambridge University Press.
استشهاد بنمط شيكاغوJones, Leo. BEC Vantage Preparation and Practice for New International Business English: Bonus Extra CD-ROM for Windows 98, NT4, 2000, ME, XP. Cambridge (UK): Cambridge University Press, 2003.
MLA استشهادJones, Leo. BEC Vantage Preparation and Practice for New International Business English: Bonus Extra CD-ROM for Windows 98, NT4, 2000, ME, XP. Cambridge (UK): Cambridge University Press, 2003.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.