Gaya APA

Umum, D, P. (). Testing Apparatus For Laboratory (Soil, Asphalt And Concrete) No.23 . Jakarta: Departemen Pekerjaan Umum.

Gaya MLA

Umum, Departemen, Pekerjaan. "Testing Apparatus For Laboratory (Soil, Asphalt And Concrete) No.23". Jakarta: Departemen Pekerjaan Umum, . Text.