Gaya APA

(0716077807), Y, K, S. (2009). Students’ perception about learning autonomy (2009). Surabaya: Universitas Widya Kartika.

Gaya MLA

(0716077807), Yulius, Kurniawan,, S.Pd. "Students’ perception about learning autonomy". 2009 Surabaya: Universitas Widya Kartika, 2009. Text.