Planet, L. (2011). Discover spain: Spain travel guide book featuring barcelona and madrid (2.).
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPlanet, Lonely. Discover Spain: Spain Travel Guide Book Featuring Barcelona and Madrid. 2. 2011.
एमएलए (8वां संस्करण) प्रशस्ति पत्रPlanet, Lonely. Discover Spain: Spain Travel Guide Book Featuring Barcelona and Madrid. 2. 2011.
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