APA (7th ed.) Citation

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.

Chicago Style (17th ed.) Citation

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.

MLA (9th ed.) Citation

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.