Gaya APA
Service, P, E., Contra, I, A, O, D. (1983).
Lessons in rotary drilling. Unit II Lesson 5. testing and completing. (1983).
:
Texas : Petroleum Extension Service (PETEX),.
Gaya MLA
Service, Petroleum, Extension., Contra, Inter., Ass., Of, Drilling.
"Lessons in rotary drilling. Unit II Lesson 5. testing and completing.".
1983
:
Texas : Petroleum Extension Service (PETEX),,
1983.
Text.