Não informado. (2012). Yearbook. Technical Association of the Pulp and Paper Industry.
Chicago-Zitierstil (17. Ausg.)Não informado. Yearbook. New York: Technical Association of the Pulp and Paper Industry, 2012.
MLA-Zitierstil (8. Ausg.)Não informado. Yearbook. Technical Association of the Pulp and Paper Industry, 2012.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.