APA-ийн эшлэл(7 дахь хэвлэлт)

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

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

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

MLA -ийн эшлэл (9 дэх хэвлэлт)

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