Drainage & Reclamation Institute of Pakistan. (1980). DRIP newsletter. DRIP.
Chicago Style (17th ed.) CitationDrainage & Reclamation Institute of Pakistan. DRIP Newsletter. Hyderabad: DRIP, 1980.
Cita MLADrainage & Reclamation Institute of Pakistan. DRIP Newsletter. DRIP, 1980.
Atenció: Aquestes cites poden no estar 100% correctes.