DR. SINGHANIA VINOD K,STEPHEN , R. (1990). OUR PLANETS DESERTS.
Cita Chicago (17th ed.)DR. SINGHANIA VINOD K,STEPHEN , RICHARD. OUR PLANETS DESERTS. 1990.
Cita MLA (9th ed.)DR. SINGHANIA VINOD K,STEPHEN , RICHARD. OUR PLANETS DESERTS. 1990.
Atenció: Aquestes cites poden no estar 100% correctes.