Gaya APA

Lapeyrousea, N, J. (2002). Formulas and carculations for Drilling Production, and Workover (fotocopi) (second edition). Boston: Gulf Proffessional.

Gaya MLA

Lapeyrousea, Norton, J.. "Formulas and carculations for Drilling Production, and Workover (fotocopi)". second edition Boston: Gulf Proffessional, 2002. Buku TP.