Citazione Stile APA (7a Edizione)

Johnson, M. (2001). How to solve word problems in algebra: A solved problem approach (2nd ed.). McGraw-Hill.

Citazione stile Chigago Style (17a edizione)

Johnson, Mildred. How to Solve Word Problems in Algebra: A Solved Problem Approach. 2nd ed. New York: McGraw-Hill, 2001.

Citatione MLA (9a ed.)

Johnson, Mildred. How to Solve Word Problems in Algebra: A Solved Problem Approach. 2nd ed. McGraw-Hill, 2001.