Gaya APA
Prayitno, H, J.
(2011).
Kesantunan sosiopragmatik
.
Surakarta:
Muhammadiyah University Press.
Gaya MLA
Prayitno, Harun, Joko.
"Kesantunan sosiopragmatik".
Surakarta:
Muhammadiyah University Press,
2011.
Text.