Gaya APA

Hansen-Schirra, S., Maaß, C. (2020). Easy language research :text and user perspectives . Berlin, Germany: Frank & Timme.

Gaya MLA

Hansen-Schirra, Silvia., Maaß, Christiane. "Easy language research :text and user perspectives". Berlin, Germany: Frank & Timme, 2020. Electronic Resource.