Gaya APA
Khalid, K, M. (2016).
BIOGRAFI KHALIFAH RASULULLAH ABU BAKAR, UMAR, UTSMAN, ALI, UMAR BIN ABDUL AZIZ (3).
Jakarta:
Ummul Qura.
Gaya MLA
Khalid, Khalid, Muhammad.
"BIOGRAFI KHALIFAH RASULULLAH ABU BAKAR, UMAR, UTSMAN, ALI, UMAR BIN ABDUL AZIZ".
3
Jakarta:
Ummul Qura,
2016.
Text.