Uminska, M., Krantz, C., Falla, T., & Davies, P. A. (2008). Solutions: Elementary. Teacher's book. Oxford: Oxford university press.
استشهاد بنمط شيكاغوUminska, Marta., Caroline Krantz, Tim Falla, و Paul A. Davies. Solutions: Elementary. Teacher's Book. Oxford: Oxford university press, 2008.
MLA استشهادUminska, Marta., Caroline Krantz, Tim Falla, و Paul A. Davies. Solutions: Elementary. Teacher's Book. Oxford: Oxford university press, 2008.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.