[edited by] Airlie, M. (2016). COLLINS easy learning: : German grammar: the easiest way to learn a language. HarperCollins Publishers.
Chicago-viite (17. p.)[edited by] Airlie, Maree. COLLINS Easy Learning: : German Grammar: The Easiest Way to Learn a Language. HarperCollins Publishers, 2016.
MLA-viite (9. p.)[edited by] Airlie, Maree. COLLINS Easy Learning: : German Grammar: The Easiest Way to Learn a Language. HarperCollins Publishers, 2016.
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