APA-Zitierstil (7. Ausg.)
(1997). 20th World Gas Conference 1997. Volume 7: Working Committee G. Report and Papers. Information and Communication. Information et communication. International Gas Union.
Chicago-Zitierstil (17. Ausg.)
20th World Gas Conference 1997. Volume 7: Working Committee G. Report and Papers. Information and Communication. Information Et Communication. B.m.: International Gas Union, 1997.
MLA-Zitierstil (9. Ausg.)
20th World Gas Conference 1997. Volume 7: Working Committee G. Report and Papers. Information and Communication. Information Et Communication. International Gas Union, 1997.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.