Clementson, T. (2006). Natural English: Elementary resource book. Reading writing skills. Oxford: Oxford Univ. Press.
استشهاد بنمط شيكاغوClementson, Theresa. Natural English: Elementary Resource Book. Reading Writing Skills. Oxford: Oxford Univ. Press, 2006.
MLA استشهادClementson, Theresa. Natural English: Elementary Resource Book. Reading Writing Skills. Oxford: Oxford Univ. Press, 2006.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.