Cita APA

Coppen, H. Survey of british research in audio-visual aids 1945-1971.

Chicago Edition Citation

Coppen, Helen. Survey of British Research in Audio-visual Aids 1945-1971.

Cita MLA

Coppen, Helen. Survey of British Research in Audio-visual Aids 1945-1971.

Atenció: Aquestes cites poden no estar 100% correctes.