APA-viite (7. p.)

Hietala, J., tiedekunta, H., Humanities, F. o., laitos, K., Languages, D. o., Jyväskylä, U. o., & yliopisto, J. (2015). Finnish upper secondary school EFL teachers' satisfaction with current textbooks.

Chicago-viite (17. p.)

Hietala, Janne, Humanistinen tiedekunta, Faculty of Humanities, Kielten laitos, Department of Languages, University of Jyväskylä, ja Jyväskylän yliopisto. Finnish Upper Secondary School EFL Teachers' Satisfaction with Current Textbooks. 2015.

MLA-viite (9. p.)

Hietala, Janne, et al. Finnish Upper Secondary School EFL Teachers' Satisfaction with Current Textbooks. 2015.