Centre for Educational Development Overseas & Centre for Educational Television Overseas. Educational television international. Pergamon Press Limited.
Чикаго стиль цитування (17-те видання)Centre for Educational Development Overseas та Centre for Educational Television Overseas. Educational Television International. Oxford [etc.]: Pergamon Press Limited.
Стиль цитування MLA (8-ме видання)Centre for Educational Development Overseas та Centre for Educational Television Overseas. Educational Television International. Pergamon Press Limited.
Попередження: стилі цитування не завжди правильні на всі 100%.