Παραπομπή σε μορφή APA (7η εκδ.)

Aberin, M. A. Q. (2006). Intrinsic and extrinsic motivation, mathematics problem-solving performance in graded and non-graded work.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Aberin, Maria Alva Q. Intrinsic and Extrinsic Motivation, Mathematics Problem-solving Performance in Graded and Non-graded Work. 2006.

Παραπομπή σε μορφή MLA (9th εκδ.)

Aberin, Maria Alva Q. Intrinsic and Extrinsic Motivation, Mathematics Problem-solving Performance in Graded and Non-graded Work. 2006.