APA aipamena

Hoggatt, J., & Jack Hoggatt; Jon A Shank; Karl Barksdale. (2007). Performance Tests Century 21 plus: Computer applications with document formatting. South-Western: Thomson Cengage Learning.

Chicago Style aipamena

Hoggatt, Jack, và Jack Hoggatt; Jon A Shank; Karl Barksdale. Performance Tests Century 21 Plus: Computer Applications With Document Formatting. South-Western: Thomson Cengage Learning, 2007.

MLA aipamena

Hoggatt, Jack, và Jack Hoggatt; Jon A Shank; Karl Barksdale. Performance Tests Century 21 Plus: Computer Applications With Document Formatting. South-Western: Thomson Cengage Learning, 2007.