Παραπομπή σε μορφή APA (7η εκδ.)

U. S. Environmental Protection Agency. Office of Research and Development. (1979). Process design manual for sludge treatment and disposal. Ohio.

Παραπομπή σε μορφή Chicago (17η εκδ.)

U. S. Environmental Protection Agency. Office of Research and Development. Process Design Manual for Sludge Treatment and Disposal. Cincinnati: Ohio, 1979.

Παραπομπή σε μορφή MLA (9th εκδ.)

U. S. Environmental Protection Agency. Office of Research and Development. Process Design Manual for Sludge Treatment and Disposal. Ohio, 1979.