Gaya APA

SANTOSA, I, B. (2017). ABU BAKAR ASH-SHIDDIQ (KESATU). SLEMAN: PUSTAKA INSAN MADANI.

Gaya MLA

SANTOSA, IMAN, BUDHI. "ABU BAKAR ASH-SHIDDIQ". KESATU SLEMAN: PUSTAKA INSAN MADANI, 2017. Text.