Howell, M., & Levins, R. (1998). Arkansas' timber industry: An assessment of timber product output and use, 1996. USDA Forest Service, Southern Research Station.
Chicago-Zitierstil (17. Ausg.)Howell, Michael, und Robert Levins. Arkansas' Timber Industry: An Assessment of Timber Product Output and Use, 1996. Asheville, NC: USDA Forest Service, Southern Research Station, 1998.
MLA-Zitierstil (9. Ausg.)Howell, Michael, und Robert Levins. Arkansas' Timber Industry: An Assessment of Timber Product Output and Use, 1996. USDA Forest Service, Southern Research Station, 1998.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.