Gaya APA
Prayitno, S., Haryono,S.Si, . (2013).
Operasional Unit 92 (LPG Recovery) Di Kilang LPG & Sulfur Recovery PT Pertamina (Persero) RU IV Cilacap .
PTK Akamigas:
.
Gaya MLA
Prayitno, Siyam., Haryono,S.Si, .
"Operasional Unit 92 (LPG Recovery) Di Kilang LPG & Sulfur Recovery PT Pertamina (Persero) RU IV Cilacap".
PTK Akamigas:
,
2013.
Kertas Kerja Wajib.