Παραπομπή σε μορφή APA (7η εκδ.)

Water Pollution Control Federation (U.S.). Task Force on Operation of Package Treatment Plants. (1985). Operation of extended aeration package treatment plants. Water Pollution Control Federation.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Water Pollution Control Federation (U.S.). Task Force on Operation of Package Treatment Plants. Operation of Extended Aeration Package Treatment Plants. Washington, D.C.: Water Pollution Control Federation, 1985.

Παραπομπή σε μορφή MLA (8th εκδ.)

Water Pollution Control Federation (U.S.). Task Force on Operation of Package Treatment Plants. Operation of Extended Aeration Package Treatment Plants. Water Pollution Control Federation, 1985.