(1970). Vol. 68, № 23; OiL and Gas journal. 1970.
Chicago Style (17. basım) AtıfVol. 68, № 23; OiL and Gas Journal. 1970, 1970.
MLA (9th ed.) AtıfVol. 68, № 23; OiL and Gas Journal. 1970, 1970.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..
(1970). Vol. 68, № 23; OiL and Gas journal. 1970.
Chicago Style (17. basım) AtıfVol. 68, № 23; OiL and Gas Journal. 1970, 1970.
MLA (9th ed.) AtıfVol. 68, № 23; OiL and Gas Journal. 1970, 1970.