APA aipamena

Water Pollution Control Federation., Water Pollution Control Federation., & Yearbook - Water Pollution Control Federation. Journal - Water Pollution Control Federation. Washington: Water Pollution Control Federation.

Chicago Style aipamena

Water Pollution Control Federation., Water Pollution Control Federation, y Yearbook - Water Pollution Control Federation. Journal - Water Pollution Control Federation. Washington: Water Pollution Control Federation.

MLA aipamena

Water Pollution Control Federation., Water Pollution Control Federation, y Yearbook - Water Pollution Control Federation. Journal - Water Pollution Control Federation. Washington: Water Pollution Control Federation.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.