1950–
Rootsi keele audiovideokursus
Davidjants, Davidjants, Holman, Nilsson
An audiovisual course in spoken Estonian
Davidjants, Davidjants, Holman, Jalak...
Audiovideokurs estonskava jazõka
Ameerika inglise kõnekeele audiovideokursus
Liiv, Davidjants, Holman
Audiovideokurs razgovornogo amerikanskogo varianta anglijskogo jazõka. An audiovisual course in spoken American English
Davidjants, Holman
Conversational Finnish in Video. Soome keele audiovideokursus. Audiovideokurs finskava jazõka
Davidjants, Davidjants, Koivisto-Arhi...