Barnard, R. (2005). Writing for the real world: An Introduction to business writing : Student book. Oxford: Oxford University Press.
استشهاد بنمط شيكاغوBarnard, Roger. Writing for the Real World: An Introduction to Business Writing : Student Book. Oxford: Oxford University Press, 2005.
MLA استشهادBarnard, Roger. Writing for the Real World: An Introduction to Business Writing : Student Book. Oxford: Oxford University Press, 2005.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.