Feigl, A. (2011). Effect of trapped gas saturation on oil recovery during the application of secondary recovery methods in exploitation of petroleum reservoirs: Effect of trapped gas saturation on oil recovery during the application of secondary recovery methods in exploitation of petroleum reservoirs = Utjecaj zasićenja zarobljenim plinom na iscrpak nafte kod primjene sekundarnih metoda iskorištavanja ležišta. Nafta (Zagreb), p. 2.
Chicago stil citiranjaFeigl, Alan. "Effect of trapped gas saturation on oil recovery during the application of secondary recovery methods in exploitation of petroleum reservoirs: Effect of trapped gas saturation on oil recovery during the application of secondary recovery methods in exploitation of petroleum reservoirs = Utjecaj zasićenja zarobljenim plinom na iscrpak nafte kod primjene sekundarnih metoda iskorištavanja ležišta." 2011: 2.
MLA stil citiranjaFeigl, Alan. "Effect of trapped gas saturation on oil recovery during the application of secondary recovery methods in exploitation of petroleum reservoirs: Effect of trapped gas saturation on oil recovery during the application of secondary recovery methods in exploitation of petroleum reservoirs = Utjecaj zasićenja zarobljenim plinom na iscrpak nafte kod primjene sekundarnih metoda iskorištavanja ležišta." 2011: 2.