APA-viite (7. p.)

Vaurula, N. (2012). Subject-verb agreement of finite verbs in the present tense in written productions of Finnish secondary school learners of English as second language.

Chicago-viite (17. p.)

Vaurula, Nina. Subject-verb Agreement of Finite Verbs in the Present Tense in Written Productions of Finnish Secondary School Learners of English as Second Language. Jyväskylä, 2012.

MLA-viite (9. p.)

Vaurula, Nina. Subject-verb Agreement of Finite Verbs in the Present Tense in Written Productions of Finnish Secondary School Learners of English as Second Language. 2012.

Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.