Gaya APA

(61413030), M, D, F, B. (2017). Concept Of Peace In Martin Luther King’s Speeches . Surabaya: Universitas Widya Kartika.

Gaya MLA

(61413030), Muhamad, Dito, Firmansyah, Budiarto. "Concept Of Peace In Martin Luther King’s Speeches". Surabaya: Universitas Widya Kartika, 2017. Text.