APA aipamena

Naunton, J. (2000). Head for business: Intermediate student's book. Oxford: Open University Press.

Chicago Style aipamena

Naunton, Jon. Head for Business: Intermediate Student's Book. Oxford: Open University Press, 2000.

MLA aipamena

Naunton, Jon. Head for Business: Intermediate Student's Book. Oxford: Open University Press, 2000.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.