Gaya APA

Rakyat, K, P, U, D, P. (2015). SNI 6787:2015 Metode Uji pH Tanah=Standard Test Method for pH of Soils (ASTM D4972-01 (2007), IDT) . Jakarta: Badan Standar Nasional Indonesia.

Gaya MLA

Rakyat, Kementerian, Pekerjaan, Umum, Dan, Perumahan. "SNI 6787:2015 Metode Uji pH Tanah=Standard Test Method for pH of Soils (ASTM D4972-01 (2007), IDT)". Jakarta: Badan Standar Nasional Indonesia, 2015. Text.