Gaya APA

HAYKAL, M, H. ([s.a]). Abu Bakar As-Siddiq (Cet. 1). Kairo: Dar al-Ma'arif.

Gaya MLA

HAYKAL, Muhammad, Husin. "Abu Bakar As-Siddiq". Cet. 1 Kairo: Dar al-Ma'arif, [s.a]. Buku.