Plochmann, R. (1968). Forestry in the Federal Republic of Germany. School of Forestry, Oregon State University.
Chicago-Zitierstil (17. Ausg.)Plochmann, Richard. Forestry in the Federal Republic of Germany. Corvallis: School of Forestry, Oregon State University, 1968.
MLA-Zitierstil (9. Ausg.)Plochmann, Richard. Forestry in the Federal Republic of Germany. School of Forestry, Oregon State University, 1968.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.