Sutra:
121. ivaiyiraNdum prapannaparithrANaththilE sonnOm.

Meaning:
These two qualities were explained in the work PrappanaparitrANam.

Sri PBA Swami's Sarartha Deepikai:
The qualities of Akinjcanyam (having no means but Him) and ananyagatitvam (having no protector but Him) are explained in great detail by Sri Pillai Lokacharyar in his work PrapannaparitrANam. They should be studied there.