Gaya APA

Nasional, B, S. (2011). SNI ISO 4045:2011: Kulit-Pengujian Kimiawi-Penentuan PH (Leather-Chemical Tests-Determination of PH) . Jakata: Badan Standardisasi Nasional.

Gaya MLA

Nasional, Badan, Standardisasi. "SNI ISO 4045:2011: Kulit-Pengujian Kimiawi-Penentuan PH (Leather-Chemical Tests-Determination of PH)". Jakata: Badan Standardisasi Nasional, 2011. Text.