Larry Clark; Michael Thurman; David Tyson (March 1996). Glenn E. Curtis (penyunting). "A Country Study: Turkmenistan". Library of Congress Federal Research Division. Dicapai pada 25 November 2013. Unknown parameter |last-author-amp= ignored (bantuan)
Vakulchuk, Roman and Indra Overland (2019) “China’s Belt and Road Initiative through the Lens of Central Asia”, in Fanny M. Cheung and Ying-yi Hong (eds) Regional Connection under the Belt and Road Initiative. The Prospects for Economic and Financial Cooperation. London: Routledge, pp. 115–133.
Larry Clark; Michael Thurman; David Tyson (March 1996). Glenn E. Curtis (penyunting). "A Country Study: Turkmenistan". Library of Congress Federal Research Division. Dicapai pada 25 November 2013. Unknown parameter |last-author-amp= ignored (bantuan)