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Gaya APA

A.Wiramihardja, S. (2015). Pengantar Filsafat . Bandung: Bandung: Refika Aditama.

Gaya MLA

A.Wiramihardja, Sutardjo. "Pengantar Filsafat". Bandung: Bandung: Refika Aditama, 2015. Text.