Sava, G. (1977). Mary Mary quite contrary. Hale.
Cita Chicago (17th ed.)Sava, George. Mary Mary Quite Contrary. London: Hale, 1977.
Cita MLA (8th ed.)Sava, George. Mary Mary Quite Contrary. Hale, 1977.
Atenció: Aquestes cites poden no estar 100% correctes.