@book{103986,
	author = {Muhammad Husain Haekal, },
	title = {Abu Bakar as-Siddiq},
	publisher = {PT. Pustaka Litera AntarNusa , },
	year = {2009},
	series = {Rasulullah dan khulafa'ur rasyidin},
	address = {Bogor, Indonesia : }
}