APA

Runia J., Murphy E., Boyes J., Society of Petroleum Engineers S., International Association of Drilling Contractors I., Murphy E., Boyes J., Society of Petroleum Engineers S. & International Association of drilling contractors I.Through bore drilling systems. : .

Chicago

Runia John, Murphy Eugene, Boyes John, Society of Petroleum Engineers SPE, International Association of Drilling Contractors IADC, Murphy Eugene, Boyes John, Society of Petroleum Engineers SPE and International Association of drilling contractors IADC.Through bore drilling systems. : .

Harvard

Runia J., Murphy E., Boyes J., Society of Petroleum Engineers S., International Association of Drilling Contractors I., Murphy E., Boyes J., Society of Petroleum Engineers S. and International Association of drilling contractors I.Through bore drilling systems. : .

MLA

Runia John, Murphy Eugene, Boyes John, Society of Petroleum Engineers SPE, International Association of Drilling Contractors IADC, Murphy Eugene, Boyes John, Society of Petroleum Engineers SPE and International Association of drilling contractors IADC.: . .