Brihat Parashara Hora Shastra
एवमृक्षविभागं हि कृत्वा चक्रं समुद्धरेत् । अश्विन्यदितिहस्तक्षेमूलप्रोष्ठपदाभिधाः ॥ ५७॥
Then incorporate the three following, Hast, Chitra and Swati in the Savya and Vishakah, Anuradha and Jyeshtha in the Apsavya. Then incorporate Mul, Purvashadha and Uttarashadha in the Savya and Shravan, Dhanishtha and Shatabhisha in the Apsavya.
english translation
evamRkSavibhAgaM hi kRtvA cakraM samuddharet । azvinyaditihastakSemUlaproSThapadAbhidhAH ॥ 57॥
hk transliteration by Sanscript