Cita APA (7a ed.)
Sayer, J. A. (1994). Forest product certification and sustainable forest management.
Cita Chicago Style (17a ed.)
Sayer, Jeffrey A. Forest Product Certification and Sustainable Forest Management. 1994.
Cita MLA (9a ed.)
Sayer, Jeffrey A. Forest Product Certification and Sustainable Forest Management. 1994.
Precaución: Estas citas no son 100% exactas.