Hairston, M., Ruszkiewicz, J. J., & Friend, C. (2005). SF compact. Pearson/Prentice Hall.
Cita Chicago (17th ed.)Hairston, Maxine, John J. Ruszkiewicz, i Christy Friend. SF Compact. Upper Saddle River, N.J: Pearson/Prentice Hall, 2005.
Cita MLA (9th ed.)Hairston, Maxine, et al. SF Compact. Pearson/Prentice Hall, 2005.
Atenció: Aquestes cites poden no estar 100% correctes.