Παραπομπή σε μορφή APA (7η εκδ.)

Não informado. (1993). Groundwater Monitoring and Remendiation. Ground Water Publishing.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Não informado. Groundwater Monitoring and Remendiation. Dublin, Ohio: Ground Water Publishing, 1993.

Παραπομπή σε μορφή MLA (8th εκδ.)

Não informado. Groundwater Monitoring and Remendiation. Ground Water Publishing, 1993.

Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.