APA

Spaventa L., Spaventa M., . (2001). Writing to Learn. Boston: McGraw-Hill.

Chicago

Spaventa L.J, Spaventa M.L, . 2001. Writing to Learn. Boston: McGraw-Hill.

Harvard

Spaventa L., Spaventa M., . (2001). Writing to Learn. Boston: McGraw-Hill.

MLA

Spaventa L.J, Spaventa M.L, . Writing to Learn. Boston: McGraw-Hill. 2001.