Geoffrey, M., David, D., & David, F. (2025). Essentials of Research Design and Methodology. Published by John Wiley & Sons, Inc., Hoboken, New Jersey.
استشهاد بنمط شيكاغوGeoffrey, Marczyk, DeMatteo David, و Festinger David. Essentials of Research Design and Methodology. Published by John Wiley & Sons, Inc., Hoboken, New Jersey, 2025.
MLA استشهادGeoffrey, Marczyk, DeMatteo David, و Festinger David. Essentials of Research Design and Methodology. Published by John Wiley & Sons, Inc., Hoboken, New Jersey, 2025.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.