Gaya APA

Haekal, Muhammad Husain. (2005). Abu Bakr As-Siddiq . Jakarta: Litera AntarNusa.

Gaya Chicago

Haekal, Muhammad Husain. Abu Bakr As-Siddiq. Jakarta: Litera AntarNusa, 2005. Text.

Gaya MLA

Haekal, Muhammad Husain. Abu Bakr As-Siddiq. Jakarta: Litera AntarNusa, 2005. Text.

Gaya Turabian

Haekal, Muhammad Husain. Abu Bakr As-Siddiq. Jakarta: Litera AntarNusa, 2005. Print.