Cita APA

Borlagdan, P. (1995). Design and development of a two post rotary-percussion drilling rig. Philippine Engineering Journal.

Citación estilo Chicago

Borlagdan, Paterno. "Design and Development of a Two Post Rotary-percussion Drilling Rig." Philippine Engineering Journal 1995.

Cita MLA

Borlagdan, Paterno. "Design and Development of a Two Post Rotary-percussion Drilling Rig." Philippine Engineering Journal, 1995.

Warning: These citations may not always be 100% accurate.