Keeves, J. P. Educational research, methodology and measurement: An international handbook.
استشهاد بنمط شيكاغوKeeves, John P. Educational Research, Methodology and Measurement: An International Handbook.
MLA استشهادKeeves, John P. Educational Research, Methodology and Measurement: An International Handbook.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.