AVŚ, 15, 2, 2.3 yajñāyajñiyāya ca vai sa vāmadevyāya ca yajñāya ca yajamānāya ca paśubhyaś cāvṛścate ya evaṃ vidvāṃsaṃ vrātyam upavadati /

DrāhŚS, 10, 3, 6.0 apa upaspṛśya yathaitaṃ pratyāvrajya paścāt tiṣṭhanto 'gnim upatiṣṭheran namaste gāyatrāya yat te puro yat te śiro namaste rathantarāya yat te dakṣiṇato yat te dakṣiṇaḥ pakṣo namaste bṛhate yat te uttarato yat ta uttaraḥ pakṣo namaste yajñāyajñīyāya yat te paścādyatte pucchaṃ namaste vāmadevyāya yasta ātmā yat te madhyam ity etaiḥ pṛthagaṅgānyanvartham //