Gaya APA
RAHARDI, R, K. (2017).
Linguistic impoliteness in the sociopragmatic perspective .
Yogyakarta:
Faculty of Cultural Sciences, UGM.
Gaya MLA
RAHARDI, R., Kunjana.
"Linguistic impoliteness in the sociopragmatic perspective".
Yogyakarta:
Faculty of Cultural Sciences, UGM,
2017.
Artikel.