Παραπομπή APA

(1998). SPE International conference on horizontal well technology: Proceedings 1-4 November 1998, Calgary, Alberta, Canada. Richardson, TX.: Society of Petroleum Engineers.

Παραπομπή Chicago Style

SPE International Conference On Horizontal Well Technology: Proceedings 1-4 November 1998, Calgary, Alberta, Canada. Richardson, TX.: Society of Petroleum Engineers, 1998.

Παραπομπή MLA

SPE International Conference On Horizontal Well Technology: Proceedings 1-4 November 1998, Calgary, Alberta, Canada. Richardson, TX.: Society of Petroleum Engineers, 1998.

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