APA aipamena

Cowper, W. (1959). The poetical works of William Cowper. London: Oxford University Press.

Chicago Style aipamena

Cowper, William. The Poetical Works of William Cowper. London: Oxford University Press, 1959.

MLA aipamena

Cowper, William. The Poetical Works of William Cowper. London: Oxford University Press, 1959.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.