Gaya APA

Utami, S, F. (2011). The 6 Grade Students' Ability to Use The Verbs Have and Has . : Universitas Muhammadiyah Sumatera Utara.

Gaya MLA

Utami, Sri, Fuji. "The 6 Grade Students' Ability to Use The Verbs Have and Has". : Universitas Muhammadiyah Sumatera Utara, 2011. .