Gaya APA
Harahap, M, R. (2017).
Politeness strategies used in The Apprentice .
Jakarta:
Prodi Sastra Inggris FBS UNJ.
Gaya MLA
Harahap, Martina, Rahmadani.
"Politeness strategies used in The Apprentice".
Jakarta:
Prodi Sastra Inggris FBS UNJ,
2017.
Text.