Trích dẫn APA

Howitt, D., & Cramer, D. (2008). Introduction to statistics in psychology (Fourth Edition.). Boston: Pearson Education.

Trích dẫn theo kiểu Chicago

Howitt, Dennis., and Duncan Cramer. Introduction to Statistics in Psychology. Fourth Edition. Boston: Pearson Education, 2008.

Trích dẫn MLA

Howitt, Dennis., and Duncan Cramer. Introduction to Statistics in Psychology. Fourth Edition. Boston: Pearson Education, 2008.

Cảnh báo! Những trích dẫn này có thể không chính xác 100%.