Naunton, J. (2000). Head for business: Intermediate student's book. Oxford: Open University Press.
استشهاد بنمط شيكاغوNaunton, Jon. Head for Business: Intermediate Student's Book. Oxford: Open University Press, 2000.
MLA استشهادNaunton, Jon. Head for Business: Intermediate Student's Book. Oxford: Open University Press, 2000.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.