Digital Corpus of Sanskrit: Sāmavidhānabrāhmaṇa — Reference = prapāṭhaka.khaṇḍa.sentence.
Digital Corpus of Sanskrit (Oliver Hellwig, 2010–2021), CC BY 4.0 — https://github.com/OliverHellwig/sanskrit. Text as typed there from the printed edition; Devanagari generated mechanically from its IAST.