Cassidy, J., Roettger, D., & Wixson, K. K. (1987). Reaching high. Scribner Educational Publishers.
Cita Chicago (17th ed.)Cassidy, Jack, Doris Roettger, i Karen K. Wixson. Reaching High. New York: Scribner Educational Publishers, 1987.
Cita MLA (8th ed.)Cassidy, Jack, et al. Reaching High. Scribner Educational Publishers, 1987.
Atenció: Aquestes cites poden no estar 100% correctes.