Williams, Tim (5 December 2018). "Semi-fortified Palatial Complexes in Central Asia: New Work at the Great Kyz Kala, Merv, Turkmenistan". Archaeology International21 (1). doi:10.5334/ai-395. ISSN1463-1725.
Williams, Tim; Campbell, Katie; Jorayev, Gaygysyz; Wordsworth, Paul; Jepbarov, Rejep; Moriset, Sébastien (5 December 2018). "Semi-fortified Palatial Complexes in Central Asia: New Work at the Great Kyz Kala, Merv, Turkmenistan". Archaeology International21 (1). doi:10.5334/ai-395.
Williams, Tim (5 December 2018). "Semi-fortified Palatial Complexes in Central Asia: New Work at the Great Kyz Kala, Merv, Turkmenistan". Archaeology International21 (1). doi:10.5334/ai-395. ISSN1463-1725.