Khalifah pertama yang menentukan arah perjalanan umat Islam sepeninggal Rasulullah Haikal, Muhammad Husain text Jakarta Qisthi Press 2007 Cet. 1 ind xii, 450 hlm. ; 24 cm. Muhammad Husain Haikal ; penerjemah, Abdul Kadir Mahdamy ; penyunting, Ida Rahmawati Judul asli : Khalifah Rasulullah Abu Bakar Ash-Shiddiq Abu Bakar Ash-Shiddiq R. 297. 921 R. 297. 921 HAI b 978-979-3715-99-5 200916 20200916100027 INLIS000000000003165 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)