Gaya APA
Romli, A, C.
(2018).
Ensiklopedia Haji & Umrah
.
Yogyakarta:
DIVA Press.
Gaya MLA
Romli, Ahmad, Chodri.
"Ensiklopedia Haji & Umrah".
Yogyakarta:
DIVA Press,
2018.
Text.