Παραπομπή σε μορφή APA (7η εκδ.)

Environmental Law Institute & ebrary, Inc. (1999). Building capacity to participate in Environmental Protection Agency activities: A needs assessment and analysis. Environmental Law Institute.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Environmental Law Institute και Inc ebrary. Building Capacity to Participate in Environmental Protection Agency Activities: A Needs Assessment and Analysis. Washington, D.C.: Environmental Law Institute, 1999.

Παραπομπή σε μορφή MLA (9th εκδ.)

Environmental Law Institute και Inc ebrary. Building Capacity to Participate in Environmental Protection Agency Activities: A Needs Assessment and Analysis. Environmental Law Institute, 1999.