Gaya APA

Sitorus, D. (2008). The Correlation Between The Asvantages Og Listening To English Song And Student's Speking Competency . : State University Of Medan.

Gaya MLA

Sitorus, Dewiprista. "The Correlation Between The Asvantages Og Listening To English Song And Student's Speking Competency". : State University Of Medan, 2008. .