Ferguson, K. (1991). Environmental solutions: For the pulp and paper industry. Miller Freeman.
Čikaški stil citiranja (17. izdanje)Ferguson, Kelly. Environmental Solutions: For the Pulp and Paper Industry. San Francisco: Miller Freeman, 1991.
MLA način citiranja (9. izdanje)Ferguson, Kelly. Environmental Solutions: For the Pulp and Paper Industry. Miller Freeman, 1991.
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