Gaya APA

Paryono, H. (1991). Thermal cracking, catalytic cracking, hydro cracking, catalytic performing (1991). : Cepu : PPT Migas-Akamigas,.

Gaya MLA

Paryono, H. "Thermal cracking, catalytic cracking, hydro cracking, catalytic performing". 1991 : Cepu : PPT Migas-Akamigas,, 1991. Text.