Não informado. (1974). Pulp and Paper Canada. Canadian Pulp and Paper Association.
Chicago-Zitierstil (17. Ausg.)Não informado. Pulp and Paper Canada. Westmount, Canada: Canadian Pulp and Paper Association, 1974.
MLA-Zitierstil (8. Ausg.)Não informado. Pulp and Paper Canada. Canadian Pulp and Paper Association, 1974.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.