O'NEIL, R. (1981). AKL: Begining1973. Longman.
Cita Chicago (17th ed.)O'NEIL, Robert. AKL: Begining1973. Singapore: Longman, 1981.
Cita MLA (9th ed.)O'NEIL, Robert. AKL: Begining1973. Longman, 1981.
Atenció: Aquestes cites poden no estar 100% correctes.