Shakespeare, W. (1977). The Sonnets: A casebook. Macmillan.
Chicago Style (17th ed.) ZitazioaShakespeare, William. The Sonnets: A Casebook. London: Macmillan, 1977.
MLA (9th ed.) ZitazioaShakespeare, William. The Sonnets: A Casebook. Macmillan, 1977.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.