Παραπομπή APA

Gabolde, G., Nguyen, J., & Marshall, N. (1991). Drilling data handbook (6th ed., Revised,expanded and updated.). Houston,TX.: Gulf Publishing Company.

Παραπομπή Chicago Style

Gabolde, Gilles, Jean-Paul Nguyen, and Nissim Marshall. Drilling Data Handbook. 6th ed., Revised,expanded and updated. Houston,TX.: Gulf Publishing Company, 1991.

Παραπομπή MLA

Gabolde, Gilles, Jean-Paul Nguyen, and Nissim Marshall. Drilling Data Handbook. 6th ed., Revised,expanded and updated. Houston,TX.: Gulf Publishing Company, 1991.

Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.