Cita APA (7a ed.)
Arndt, R. Aramco World: March - April 2000, vol. 51, no. 2 : Saudi Arabia's Desert Caves. Aramco Services.
Cita estilo Chicago (17a ed.)
Arndt, Robert. Aramco World: March - April 2000, Vol. 51, No. 2 : Saudi Arabia's Desert Caves. Houston, EUA: Aramco Services.
Cita MLA (9a ed.)
Arndt, Robert. Aramco World: March - April 2000, Vol. 51, No. 2 : Saudi Arabia's Desert Caves. Aramco Services.
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