Gaya APA

Göpferich, S., Neumann, I. (2016). Developing and assessing academic and professional writing skills . New Yok: Peter Lang International Academic Publishing Group.

Gaya MLA

Göpferich, Susanne., Neumann, Imke. "Developing and assessing academic and professional writing skills". New Yok: Peter Lang International Academic Publishing Group, 2016. Electronic Resource.