Gaya APA

Utami, E, A. (2007). Administration of Essay and Pictorial Test in Developing the Students\' Mastering Vocabulary . : Universitas Muhammadiyah Sumatera Utara.

Gaya MLA

Utami, Endang, Agusva. "Administration of Essay and Pictorial Test in Developing the Students\' Mastering Vocabulary". : Universitas Muhammadiyah Sumatera Utara, 2007. Text.