Gaya APA

Knifsend, C, A., Graham, S. (2011). Too Much of a Good Thing? How Breadth of Extracurricular Participation Relates to School-Related Affect and Academic Outcomes During Adolescence . New York: Graduate School of Economics, Waseda University.

Gaya MLA

Knifsend, Casey, A.., Graham, Sandra. "Too Much of a Good Thing? How Breadth of Extracurricular Participation Relates to School-Related Affect and Academic Outcomes During Adolescence". New York: Graduate School of Economics, Waseda University, 2011. e-journal.