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Gaya APA

Somawidjaja, I, K. (1983). Peraturan Perancangan Bangunan Baja Indonesia . Indonesia: Yayasan Lembaga Penyelidikan Masalah Bangunan.

Gaya MLA

Somawidjaja, Ir., Karman. "Peraturan Perancangan Bangunan Baja Indonesia". Indonesia: Yayasan Lembaga Penyelidikan Masalah Bangunan, 1983. Text.