Çakır, M. On Foreign Language Proficiency. 2009. In New Approaches in Contemporary German Language Education and Literature , Detay Yayıncılık, Ankara, 33-39.

Çakır, M., (2009). On Foreign Language Proficiency. New Approaches in Contemporary German Language Education and Literature (pp.33-39), Ankara: Detay Yayıncılık.

Çakır, MUSTAFA. "On Foreign Language Proficiency." In New Approaches in Contemporary German Language Education and Literature , 33-39. Ankara: Detay Yayıncılık, 2009

Çakır, MUSTAFA. "On Foreign Language Proficiency." New Approaches in Contemporary German Language Education and Literature , Detay Yayıncılık, 2009, pp.33-39.

Çakır, M. (2009) "On Foreign Language Proficiency", New Approaches in Contemporary German Language Education and Literature . Ankara: Detay Yayıncılık.

@bookchapter{bookchapter, author ={MUSTAFA ÇAKIR}, chaptertitle={On Foreign Language Proficiency}, booktitle={ New Approaches in Contemporary German Language Education and Literature}, publisher={Detay Yayıncılık}, city={Ankara},year={2009} }