Farah Diba (1997) The Escape of Frederick Douglass from Slavery in Frederick Douglass’ Narrative of The Life of Frederick Douglass. Skripsi thesis, UNIVERSITAS AIRLANGGA.

Pramudana Ihsan (2008) Holly’s Childhood Basic Hostility as The Triggers of Her Adulthood Conflicts: An Intrinsic Study on Cecelia Ahern’s P.S. I Love You. Skripsi thesis, UNIVERSITAS AIRLANGGA.

Farida Novita Kusuma Putri (2004) Sayuri’s Perseverance to Become A Successful Geisha in Arthur Golden’s Memoirs of A Geisha. Skripsi thesis, UNIVERSITAS AIRLANGGA.