Trích dẫn APA

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.

Trích dẫn kiểu Chicago

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.

Trích dẫn MLA

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.

Cảnh báo: Các trích dẫn này có thể không phải lúc nào cũng chính xác 100%.