APA (7. basım) Alıntı

Ferree, T., & Sanabria, K. (1998). NorthStar: Focus on listening and speaking, high intermediate. Longman.

Chicago Style (17. basım) Atıf

Ferree, Tess, ve Kim Sanabria. NorthStar: Focus on Listening and Speaking, High Intermediate. Nueva York: Longman, 1998.

MLA (9th ed.) Atıf

Ferree, Tess, ve Kim Sanabria. NorthStar: Focus on Listening and Speaking, High Intermediate. Longman, 1998.