Devibhagavatapurana 11.5.21

Devībhāgavatapurāṇa 11.5.21

rudrākṣālaṅkṛtā ye ca te vai bhāgavatottamāḥ |
rudrākṣadhāraṇaṃ kāryaṃ sarvaśreyo'rthibhirnṛbhiḥ ||