Παραπομπή σε μορφή APA (7η εκδ.)

ALEXANDER, L. (1994). Practice And Progress An Integrated Course For Pre-intermediate Students/l.g. Alexander. Kanisius.

Παραπομπή σε μορφή Chicago (17η εκδ.)

ALEXANDER, L.G. Practice And Progress An Integrated Course For Pre-intermediate Students/l.g. Alexander. Kanisius, 1994.

Παραπομπή σε μορφή MLA (8th εκδ.)

ALEXANDER, L.G. Practice And Progress An Integrated Course For Pre-intermediate Students/l.g. Alexander. Kanisius, 1994.