Freedman, D., Pisani, R., & Purves, R. (1998). Statistics (3. ed., internat. student ed.). Norton.
Chicago Style (17th ed.) CitationFreedman, David, Robert Pisani, and Roger Purves. Statistics. 3. ed., internat. student ed. New York [u.a.]: Norton, 1998.
MLA (9th ed.) CitationFreedman, David, et al. Statistics. 3. ed., internat. student ed. Norton, 1998.
Warning: These citations may not always be 100% accurate.