1. A. V. Aho, J. E. Hopcroft, and J. D. Ullman,Data Structures and Algorithms, Addison-Wesley Publishing Co., Reading, Massachusetts (1974).
2. C. C. Gotlieb and L. R. Gotlieb,Data Types and Structures Prentice-Hall, Inc., Englewood Cliffs, New Jersey (1977).
3. E. Horowitz and S. Sahni,Fundamentals of Data Structures, Computer Science Press, Inc., Rockwille, Maryland (1976).
4. D. E. Knuth,The Art of Computer Programming, Volume III: Sorting and Searching, Addison-Wesley Publishing Co., Reading, Massachusetts (1973).
5. T. A. Standish,Data Structure Techniques, Addison-Wesley Publishing Co., Reading, Massachusetts (1980).