APA-viite (7. p.)
Tummons, J. (2011). Assessing learning in the lifelong learning sector (3rd ed.). Learning Matters.
Chicago-viite (17. p.)
Tummons, Jonathan. Assessing Learning in the Lifelong Learning Sector. 3rd ed. Exter: Learning Matters, 2011.
MLA-viite (9. p.)
Tummons, Jonathan. Assessing Learning in the Lifelong Learning Sector. 3rd ed. Learning Matters, 2011.
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