Shiva Purana
शौचं तुष्टिस्तपश्चैव जपः प्रणिधिरेव च ॥ इति पञ्चप्रभेदस्स्यान्नियमः स्वांशभेदतः ॥ १९ ॥
Niyama is the positive curb or restraint with the following five subdivisions—purity, contentment, penance, japa and attentiveness.
english translation
zaucaM tuSTistapazcaiva japaH praNidhireva ca ॥ iti paJcaprabhedassyAnniyamaH svAMzabhedataH ॥ 19 ॥
hk transliteration by Sanscript