APA (7th ed.) Citation

Hasan Langgulung, D. 2. (19). Ibn Khaldun. [s.n : s.1].

Chicago Style (17th ed.) Citation

Hasan Langgulung, Dr. 233991. Ibn Khaldun. [s.n : s.1], 19.

MLA (9th ed.) Citation

Hasan Langgulung, Dr. 233991. Ibn Khaldun. [s.n : s.1], 19.

Warning: These citations may not always be 100% accurate.