Britain), 6. I. o. P. (. (1978). A guide to North Sea oil and gas technology: Proceedings. London : Heyden for the Institute.
Citazione stile Chigago Style (17a edizione)Britain), 685 Institute of Petroleum (Great. A Guide to North Sea Oil and Gas Technology: Proceedings. London : Heyden for the Institute, 1978.
Citatione MLA (9a ed.)Britain), 685 Institute of Petroleum (Great. A Guide to North Sea Oil and Gas Technology: Proceedings. London : Heyden for the Institute, 1978.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.