Gaya APA

Putro, W, S. (2016). Pengoperasian Sulfur Recovery Unit (SRU) Di Central Processing Area Job Pertamina-Petrochina East Java . Cepu: STEM Akamigas.

Gaya MLA

Putro, Widyo, Sulistyo. "Pengoperasian Sulfur Recovery Unit (SRU) Di Central Processing Area Job Pertamina-Petrochina East Java". Cepu: STEM Akamigas, 2016. Kertas Kerja Wajib.