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