Williams, H. R. (1991). Manual of oil and gas terms: Annotated manual of legal engineering tax words and phrases (8. ed.). Bender.
Chicago-Zitierstil (17. Ausg.)Williams, Howard R. Manual of Oil and Gas Terms: Annotated Manual of Legal Engineering Tax Words and Phrases. 8. ed. New York <<[u.a.]>>: Bender, 1991.
MLA-Zitierstil (9. Ausg.)Williams, Howard R. Manual of Oil and Gas Terms: Annotated Manual of Legal Engineering Tax Words and Phrases. 8. ed. Bender, 1991.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.