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Gaya APA

Semarang, A, Y, &, W. (1998). Analisis Struktur SAP 90 . Indonesia: Andi & Wahana.

Gaya MLA

Semarang, Andi, Yogyakarta, &, Wahana. "Analisis Struktur SAP 90". Indonesia: Andi & Wahana, 1998. Text.