Shiva Purana
ततश्शकास्सयवनाः काम्बोजाः पाह्नवास्तथा ॥ हन्यमानास्तदा ते तु वसिष्ठं शरणं ययुः॥ ४२॥
Then the Śakas, Yavanas, Kāmbojas and Pahlavas, being destroyed sought refuge in Vasiṣṭha.
english translation
tatazzakAssayavanAH kAmbojAH pAhnavAstathA ॥ hanyamAnAstadA te tu vasiSThaM zaraNaM yayuH॥ 42॥
hk transliteration by Sanscript