APA-viite (7. p.)

Espinoza Villa, L. P. (2012). The use of Supplementary Materials in EFL Classes: A Comparative Analysis of Public and Private High Schools.

Chicago-viite (17. p.)

Espinoza Villa, Luis Patricio. The Use of Supplementary Materials in EFL Classes: A Comparative Analysis of Public and Private High Schools. 2012.

MLA-viite (9. p.)

Espinoza Villa, Luis Patricio. The Use of Supplementary Materials in EFL Classes: A Comparative Analysis of Public and Private High Schools. 2012.

Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.