Παραπομπή APA

Grigg, N. S. (2009). Water resources management: : principles, regulations and cases. McGraw hill.

Παραπομπή Chicago Style

Grigg, Neil S. Water Resources Management: : Principles, Regulations and Cases. USA: McGraw hill, 2009.

Παραπομπή MLA

Grigg, Neil S. Water Resources Management: : Principles, Regulations and Cases. McGraw hill, 2009.