Natyashastra
तथा योनिद्वयं ताला चान्यामानं निबोधत । चञ्चूपुटस्तु विज्ञेया तथा चायपुटा बुधैः ॥ ८॥
Now listen about their twofold sources. They are the Cañcatpuṭaḥ and the Cāpapuṭaḥ.
english translation
tathA yonidvayaM tAlA cAnyAmAnaM nibodhata । caJcUpuTastu vijJeyA tathA cAyapuTA budhaiH ॥ 8॥
hk transliteration by Sanscript