APA (7 वां संस्करण) प्रशस्ति पत्र
Riegl, M., Landovský, J., & Valko, I. (2014). Strategic regions in 21st century power politics: Zones of consensus and zones of conflict. Cambridge Scholars Publishing.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Riegl, Martin, Jakub Landovský, और Irina Valko. Strategic Regions in 21st Century Power Politics: Zones of Consensus and Zones of Conflict. Newcastle upon Tyne, England: Cambridge Scholars Publishing, 2014.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Riegl, Martin, et al. Strategic Regions in 21st Century Power Politics: Zones of Consensus and Zones of Conflict. Cambridge Scholars Publishing, 2014.
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