Cita APA (7th ed.)

ebrary, Inc, & Brink, P. t. (2002). Voluntary environmental agreements: Process, practice and future use. Greenleaf Pub..

Cita Chicago (17th ed.)

ebrary, Inc, i Patrick ten Brink. Voluntary Environmental Agreements: Process, Practice and Future Use. Sheffield, South Yorkshire, England: Greenleaf Pub., 2002.

Cita MLA (9th ed.)

ebrary, Inc, i Patrick ten Brink. Voluntary Environmental Agreements: Process, Practice and Future Use. Greenleaf Pub., 2002.