APA aipamena

Scott, L., & Scott, D. (2002). Natural english: Intermediate workbook with key. Oxford: Oxford Univ. Press.

Chicago Style aipamena

Scott, Lyn, và David Scott. Natural English: Intermediate Workbook With Key. Oxford: Oxford Univ. Press, 2002.

MLA aipamena

Scott, Lyn, và David Scott. Natural English: Intermediate Workbook With Key. Oxford: Oxford Univ. Press, 2002.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.