Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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