Gaya APA

Siagian, E, K. (2018). The correlation between student's risk taking behavior and speaking skill : skripsi . Batam: Universitas Riau Kepulauan Batam.

Gaya MLA

Siagian, Ezra, Kosalia. "The correlation between student's risk taking behavior and speaking skill : skripsi". Batam: Universitas Riau Kepulauan Batam, 2018. Text.