APA-viite (7. p.)

Vaarala, T., tiedekunta, H., Humanities, F. o., laitos, K., Languages, D. o., Jyväskylä, U. o., & yliopisto, J. (2013). Oral competence in upper secondary school teaching: Teachers and students' views.

Chicago-viite (17. p.)

Vaarala, Taru, Humanistinen tiedekunta, Faculty of Humanities, Kielten laitos, Department of Languages, University of Jyväskylä, ja Jyväskylän yliopisto. Oral Competence in Upper Secondary School Teaching: Teachers and Students' Views. 2013.

MLA-viite (9. p.)

Vaarala, Taru, et al. Oral Competence in Upper Secondary School Teaching: Teachers and Students' Views. 2013.