Nguyen and others. 2006. Sentence patterns in comparison : German-Vietnamese. Field of Study German as a Foreign Language, Ramkhamhaeng University;
Nguyen and others. (2006) Sentence patterns in comparison : German-Vietnamese . Ramkhamhaeng University/Bangkok.
Nguyen and others. Sentence patterns in comparison : German-Vietnamese. . Bangkok:Ramkhamhaeng University, 2006.
Nguyen and others. (2006) Sentence patterns in comparison : German-Vietnamese . Ramkhamhaeng University/Bangkok.