Gaya APA

Davidson, T, P. (2014). Progressivism and Social Darwinism : Ideological Conflict in Early 20th Century America in Eugene Oneil's Hairy Ape (A Cultural Materialist Reading) . Padang: Universitas Andalas.

Gaya MLA

Davidson, Teguh, Putera. "Progressivism and Social Darwinism : Ideological Conflict in Early 20th Century America in Eugene Oneil's Hairy Ape (A Cultural Materialist Reading)". Padang: Universitas Andalas, 2014. Skripsi.