De Vos, J. C. (1990). The silver glass. Multnomah.
Cita Chicago (17th ed.)De Vos, Janifer C. The Silver Glass. Portland: Multnomah, 1990.
Cita MLA (9th ed.)De Vos, Janifer C. The Silver Glass. Multnomah, 1990.
Atenció: Aquestes cites poden no estar 100% correctes.