Gaya APA

Sudarsono, . (.a.)). Operating and maintenance manual Johnston Multi Flow Evaluation size 3 1/8" O D ((s.a.)). : Plaju : Pertamina, (s.

Gaya MLA

Sudarsono, . "Operating and maintenance manual Johnston Multi Flow Evaluation size 3 1/8" O D". (s.a.) : Plaju : Pertamina, (s, .a.). Text.