Barrett, R. A., & Mansfield, M. J. (1989). The papers of the twentieth SIGCSE technical symposium on computer science education: The papers of the twentieth SIGCSE technical symposium on computer science education : Louisville, Kentucky, February 23-25, 1989 (1. izd.). New York: ACM,Inc.
Chicago stil citiranjaBarrett, Robert A., and Maynard J. Mansfield. The papers of the twentieth SIGCSE technical symposium on computer science education: The papers of the twentieth SIGCSE technical symposium on computer science education : Louisville, Kentucky, February 23-25, 1989. 1. izd. New York: ACM,Inc, 1989.
MLA stil citiranjaBarrett, Robert A., and Maynard J. Mansfield. The papers of the twentieth SIGCSE technical symposium on computer science education: The papers of the twentieth SIGCSE technical symposium on computer science education : Louisville, Kentucky, February 23-25, 1989. 1. izd. New York: ACM,Inc, 1989.