Tennant, E. (1979). The bad sister. Pan Books.
Cita Chicago (17th ed.)Tennant, Emma. The Bad Sister. London: Pan Books, 1979.
Cita MLA (8th ed.)Tennant, Emma. The Bad Sister. Pan Books, 1979.
Atenció: Aquestes cites poden no estar 100% correctes.
Cita APA (7th ed.)