Sources list for THE PRESENTATION OF DIFFERENT TYPES OF LOVE IN TWELFTH NIGHT

Shakespeare, William. "Twelfth Night." The Complete Works. New York: Barnes and Noble Books. 1994
Malvolio’s Treatment in "Twelfth Night"

William Neilson Allan, ed. Shakespeare's Twelfth Night: Or, What You Will. Chicago: Scott Foresman and Co., 1903.
"Twelfth Night"

Shakespeare, William. Twelfth Night: Or, What you Will. The Illustrated Stratford Shakespeare. London: Chancellor Press. 1982.
Cross-Dressing in Shakespeare's Plays

Shakespeare, William. Twelfth Night. New York: Arden Shakespeare; 2nd edition, 1975.
The Cuckold in Shakespeare’s Works

Warren, R. & Wells, S. (eds.) (1994). William Shakespeare's Twelfth Night, or What You Will. Oxford: Oxford University Press.
Shakespeare and Milton