Παραπομπή σε μορφή APA (7η εκδ.)

I. Chechetka, V. (2019). Certain issues of teaching the German language as the Second Foreign Language in Technical Higher Educational Institution.

Παραπομπή σε μορφή Chicago (17η εκδ.)

I. Chechetka, Valentina. Certain Issues of Teaching the German Language as the Second Foreign Language in Technical Higher Educational Institution. 2019.

Παραπομπή σε μορφή MLA (9th εκδ.)

I. Chechetka, Valentina. Certain Issues of Teaching the German Language as the Second Foreign Language in Technical Higher Educational Institution. 2019.