Παραπομπή APA

Thorpe, E., & Thorpe , S. (2003). Objective english for competitive examinations (6th ed.). Pearson Education, Indian Branck.

Παραπομπή Chicago Style

Thorpe, Edgar, και Showick Thorpe. Objective English for Competitive Examinations. 6th ed. New Delhi: Pearson Education, Indian Branck, 2003.

Παραπομπή MLA

Thorpe, Edgar, και Showick Thorpe. Objective English for Competitive Examinations. 6th ed. Pearson Education, Indian Branck, 2003.