Luza, K. V. (1986). Stability problems associated with abandoned underground mines in the Picher Field, northeastern Oklahoma. Univ. of Oklahoma.
Chicago-Zitierstil (17. Ausg.)Luza, Kenneth V. Stability Problems Associated with Abandoned Underground Mines in the Picher Field, Northeastern Oklahoma. Norman: Univ. of Oklahoma, 1986.
MLA-Zitierstil (9. Ausg.)Luza, Kenneth V. Stability Problems Associated with Abandoned Underground Mines in the Picher Field, Northeastern Oklahoma. Univ. of Oklahoma, 1986.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.