TIPITAKA Volume 34 : PALI ROMAN Abhidhamma Pitaka Vol 1 : Abhi. Dhammasaṅgaṇi

[588] Katamantaṃ rūpaṃ ajjhattikaṃ upādā cakkhāyatanaṃ .pe. Kāyāyatanaṃ idantaṃ rūpaṃ ajjhattikaṃ upādā . katamantaṃ rūpaṃ bāhiraṃ upādā rūpāyatanaṃ .pe. kabaḷiṃkāro āhāro idantaṃ rūpaṃ bāhiraṃ upādā . katamantaṃ rūpaṃ bāhiraṃ noupādā phoṭṭhabbāyatanaṃ Āpodhātu idantaṃ rūpaṃ bāhiraṃ noupādā.