APA aipamena

Schofield, J. (2011). Workplace English 1. London: Collins.

Chicago Style aipamena

Schofield, James. Workplace English 1. London: Collins, 2011.

MLA aipamena

Schofield, James. Workplace English 1. London: Collins, 2011.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.