Caitanya-caritāmṛta 3.74
nityānanda gosāñi sākṣāt haladhara advaita ācārya gosāñi sākṣāt īśvara
[nityaananda gosaani saakshaat haladhara advaita aachaarya gosaani saakshaat eeshvara]
Blended reading (Sanskrit + English inline)
nityānanda gosāñi sākṣāt haladhara advaita ācārya gosāñi sākṣāt īśvara
Śrī Nityānanda Gosāñi is directly Haladhara [Lord Balarāma], and Advaita Ācārya is the Personality of Godhead Himself.
My note
Source: vedabase.io