APA (7th ed.) Zitazioa
Arndt, R. Saudi Aramco World: July - August 2000, vol. 51, no. 4 : The Longest Hajj : The Journeys of IBN Battuta. Aramco Services.
Chicago Style (17th ed.) Zitazioa
Arndt, Robert. Saudi Aramco World: July - August 2000, Vol. 51, No. 4 : The Longest Hajj : The Journeys of IBN Battuta. Houston, EUA: Aramco Services.
MLA (9th ed.) Zitazioa
Arndt, Robert. Saudi Aramco World: July - August 2000, Vol. 51, No. 4 : The Longest Hajj : The Journeys of IBN Battuta. Aramco Services.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.