APA aipamena

Hutchinson, T. (1999). Lifelines: Elementary workbook. Oxford: Oxford University Press.

Chicago Style aipamena

Hutchinson, Tom. Lifelines: Elementary Workbook. Oxford: Oxford University Press, 1999.

MLA aipamena

Hutchinson, Tom. Lifelines: Elementary Workbook. Oxford: Oxford University Press, 1999.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.