توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Rivera, R. A. (2006). Task levels and information sources in mathematical problem posing by pre-service secondary school teachers. Saint Mary's University Research Journal.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Rivera, Rowena A. "Task Levels and Information Sources in Mathematical Problem Posing by Pre-service Secondary School Teachers." Saint Mary's University Research Journal 2006.

توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)

Rivera, Rowena A. "Task Levels and Information Sources in Mathematical Problem Posing by Pre-service Secondary School Teachers." Saint Mary's University Research Journal, 2006.