Não informado. (1975). Improved oil-recovery field reports. Society of Petroleum Engineers.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Improved Oil-recovery Field Reports. Dallas, Tex: Society of Petroleum Engineers, 1975.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Improved Oil-recovery Field Reports. Society of Petroleum Engineers, 1975.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.