Gaya APA

SUGINI, . et al (2016). Politeness strategies performed by teachers to effectively assist children with autism in their learning process . Yogyakarta: Faculty of Cultural Science UGM.

Gaya MLA

SUGINI, . et al. "Politeness strategies performed by teachers to effectively assist children with autism in their learning process". Yogyakarta: Faculty of Cultural Science UGM, 2016. Artikel.