APA citiranje

O'Neill, R. (1973). Kernel Lessons Plus: A post-intermediate course : Students' Book. London: Longman.

Trích dẫn kiểu Chicago

O'Neill, Robert. Kernel Lessons Plus: A Post-intermediate Course : Students' Book. London: Longman, 1973.

MLA citiranje

O'Neill, Robert. Kernel Lessons Plus: A Post-intermediate Course : Students' Book. London: Longman, 1973.

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