Gaya APA

Witte, R, S. (1993). Statistics (Study Guide) - 4th Ed (4th Ed.). Tokyo: Harcourt Brace Jovanovich, Inc.

Gaya MLA

Witte, Robert, S.. "Statistics (Study Guide) - 4th Ed". 4th Ed. Tokyo: Harcourt Brace Jovanovich, Inc, 1993. Text.