APA način citiranja (7. izdanje)
ebrary, Inc, & Sheldon, C. (1997). ISO 14001 and beyond: Environmental management systems in the real world. Greenleaf Pub..
Čikaški stil citiranja (17. izdanje)
ebrary, Inc, i Christopher Sheldon. ISO 14001 and Beyond: Environmental Management Systems in the Real World. Sheffield: Greenleaf Pub., 1997.
MLA način citiranja (9. izdanje)
ebrary, Inc, i Christopher Sheldon. ISO 14001 and Beyond: Environmental Management Systems in the Real World. Greenleaf Pub., 1997.
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