Gaya APA

Sumarsih, . et al (2016). Association of language teachers in southeast asia (ALTSA) international conference : education as a mean of enhancing mutual understanding in the asean - australia relations (Cet 1). Medan: Unimed Press.

Gaya MLA

Sumarsih, . et al. "Association of language teachers in southeast asia (ALTSA) international conference : education as a mean of enhancing mutual understanding in the asean - australia relations". Cet 1 Medan: Unimed Press, 2016. Art Original.