Shaffer, C. A. [ca. 1998]. A practical introduction to data structures and alogrithm analysis, Java edition. In An Alan R. Apt book [Book]. Upper Saddle River, NJ: Prentice Hall.

SHAFFER, Clifford A., 1998. A practical introduction to data structures and alogrithm analysis, Java edition. Upper Saddle River, NJ: Prentice Hall. ISBN 0136609112.

Shaffer, C. A. „A practical introduction to data structures and alogrithm analysis, Java edition“. An Alan R. Apt book, book, Prentice Hall, 1998.

Shaffer, Clifford A.: A practical introduction to data structures and alogrithm analysis, Java edition, Upper Saddle River, NJ 1998.

Shaffer, C.A. (1998), A practical introduction to data structures and alogrithm analysis, Java edition, An Alan R. Apt book, Bd. , Prentice Hall, Upper Saddle River, NJ.