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Gaya APA

Purwanto,ST.,MM.,MT, H. (2006). Matematika Distrik . Indonesia: Penerbit PT.Ercontara Rajawali.

Gaya MLA

Purwanto,ST.,MM.,MT, Heri. "Matematika Distrik". Indonesia: Penerbit PT.Ercontara Rajawali, 2006. Text.