Παραπομπή σε μορφή APA (7η εκδ.)

German, Greek, English, Spanish Teacher-Training Project, ebrary, Inc, & Gewehr, W. (1998). Aspects of modern language teaching in Europe. Routlege.

Παραπομπή σε μορφή Chicago (17η εκδ.)

German, Greek, English, Spanish Teacher-Training Project, Inc ebrary, και Wolf Gewehr. Aspects of Modern Language Teaching in Europe. London ; New York: Routlege, 1998.

Παραπομπή σε μορφή MLA (9th εκδ.)

German, Greek, English, Spanish Teacher-Training Project, et al. Aspects of Modern Language Teaching in Europe. Routlege, 1998.