Παραπομπή σε μορφή APA (7η εκδ.)

[edited by] Airlie, M. (2016). COLLINS easy learning: : German grammar: the easiest way to learn a language. HarperCollins Publishers.

Παραπομπή σε μορφή Chicago (17η εκδ.)

[edited by] Airlie, Maree. COLLINS Easy Learning: : German Grammar: The Easiest Way to Learn a Language. HarperCollins Publishers, 2016.

Παραπομπή σε μορφή MLA (9th εκδ.)

[edited by] Airlie, Maree. COLLINS Easy Learning: : German Grammar: The Easiest Way to Learn a Language. HarperCollins Publishers, 2016.