APA aipamena

Hartley, B., & Viney, P. Steamline english destinations workbook B Units 41-80 (7a ed.).

Chicago Style aipamena

Hartley, Bernard, and Peter Viney. Steamline English Destinations Workbook B Units 41-80. 7a ed.

MLA aipamena

Hartley, Bernard, and Peter Viney. Steamline English Destinations Workbook B Units 41-80. 7a ed.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.