Cohen, L., Manion, L., & Morrison, K. (2009). Research methods in education (6th ed.). London; New York: Routledge.
استشهاد بنمط شيكاغوCohen, Louis, Lawrence Manion, and Keith Morrison. Research Methods in Education. 6th ed. London; New York: Routledge, 2009.
MLA استشهادCohen, Louis, Lawrence Manion, and Keith Morrison. Research Methods in Education. 6th ed. London; New York: Routledge, 2009.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.