Gaya APA

Amrin, S, ,., Ginting, S, A. (2020). Discourse analysis: a study on discourse based on functional linguistic theory . Medan: Pusdikramitrajaya.

Gaya MLA

Amrin, Saragih, ,., Ginting, Siti, Aisah. "Discourse analysis: a study on discourse based on functional linguistic theory". Medan: Pusdikramitrajaya, 2020. Art Original.