APA-Zitierstil (7. Ausg.)

Trim, J. (1980). On we go. A series of elementary English lessons. Book 3. Units 21-30. BBC English by Radio and Television.

Chicago-Zitierstil (17. Ausg.)

Trim, John. On We Go. A Series of Elementary English Lessons. Book 3. Units 21-30. Londres: BBC English by Radio and Television, 1980.

MLA-Zitierstil (9. Ausg.)

Trim, John. On We Go. A Series of Elementary English Lessons. Book 3. Units 21-30. BBC English by Radio and Television, 1980.