Cita APA (7a ed.)

O'Neill, R. (1974). Kernel lessons Plus: A post-intermediate course : laboratory drills / tapescript. Longman.

Cita Chicago Style (17a ed.)

O'Neill, Robert. Kernel Lessons Plus: A Post-intermediate Course : Laboratory Drills / Tapescript. London: Longman, 1974.

Cita MLA (9a ed.)

O'Neill, Robert. Kernel Lessons Plus: A Post-intermediate Course : Laboratory Drills / Tapescript. Longman, 1974.