Gaya APA
UMAM, C. (2017).
Surat Luqman: studi analisis stilistika .
Yogyakarta:
Program Pascasarjana UIN Sunan Kalijaga.
Gaya MLA
UMAM, Chatibul.
"Surat Luqman: studi analisis stilistika".
Yogyakarta:
Program Pascasarjana UIN Sunan Kalijaga,
2017.
Thesis.