Shamas, L. A. (2007). "We three": The mythology of Shakespeare's weird sisters. P. Lang.
Cita Chicago (17th ed.)Shamas, Laura Annawyn. "We Three": The Mythology of Shakespeare's Weird Sisters. New York: P. Lang, 2007.
Cita MLA (9th ed.)Shamas, Laura Annawyn. "We Three": The Mythology of Shakespeare's Weird Sisters. P. Lang, 2007.
Atenció: Aquestes cites poden no estar 100% correctes.