Gaya APA

Sagala, W, W. (2011). The Correlation Between Using Synonym Words And The Students` Ability In Building A Simple Sentence . : Universitas Muhammadiyah Sumatera Utara.

Gaya MLA

Sagala, Widia, Wahyuni. "The Correlation Between Using Synonym Words And The Students` Ability In Building A Simple Sentence". : Universitas Muhammadiyah Sumatera Utara, 2011. .