Ferguson, H. (1995). Keyboard duets: From the 16th to the 20th century. Oxford University Press.
Chicago Style aipamenaFerguson, Howard. Keyboard Duets: From the 16th to the 20th Century. Oxford: Oxford University Press, 1995.
MLA aipamenaFerguson, Howard. Keyboard Duets: From the 16th to the 20th Century. Oxford University Press, 1995.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.