Al Ramiah, A., Hewstone, M., Voci, A., Cairns, E., & Hughes, J. (2013). It's never too late for 'us' to meet 'them': Prior intergroup friendships moderate the impact of later intergroup friendships in educational settings.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Al Ramiah, A., M. Hewstone, A. Voci, E. Cairns, و J. Hughes. It's Never Too Late for 'Us' to Meet 'Them': Prior Intergroup Friendships Moderate the Impact of Later Intergroup Friendships in Educational Settings. 2013.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Al Ramiah, A., et al. It's Never Too Late for 'Us' to Meet 'Them': Prior Intergroup Friendships Moderate the Impact of Later Intergroup Friendships in Educational Settings. 2013.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.