APA (7th ed.) Zitazioa
Arndt, R. Saudi Aramco World: May - June 2002, vol. 53, no. 3 : Welcoming God's Guests. Aramco Services.
Chicago Style (17th ed.) Zitazioa
Arndt, Robert. Saudi Aramco World: May - June 2002, Vol. 53, No. 3 : Welcoming God's Guests. Houston, EUA: Aramco Services.
MLA (9th ed.) Zitazioa
Arndt, Robert. Saudi Aramco World: May - June 2002, Vol. 53, No. 3 : Welcoming God's Guests. Aramco Services.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.