GATES BILL. (1995). ROAD AHEAD. PENGUIN BOOKS.
Chicago Style aipamenaGATES BILL. ROAD AHEAD. ENGLAND: PENGUIN BOOKS, 1995.
MLA aipamenaGATES BILL. ROAD AHEAD. PENGUIN BOOKS, 1995.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.
GATES BILL. (1995). ROAD AHEAD. PENGUIN BOOKS.
Chicago Style aipamenaGATES BILL. ROAD AHEAD. ENGLAND: PENGUIN BOOKS, 1995.
MLA aipamenaGATES BILL. ROAD AHEAD. PENGUIN BOOKS, 1995.