Παραπομπή σε μορφή APA (7η εκδ.)

Nguyen Mau Dung. (2011). River sand mining and management: A case of Cau River in Bac Ninh Province, Vietnam. Economy and Environment Program for Southeast Asia.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Nguyen Mau Dung. River Sand Mining and Management: A Case of Cau River in Bac Ninh Province, Vietnam. Singpare: Economy and Environment Program for Southeast Asia, 2011.

Παραπομπή σε μορφή MLA (9th εκδ.)

Nguyen Mau Dung. River Sand Mining and Management: A Case of Cau River in Bac Ninh Province, Vietnam. Economy and Environment Program for Southeast Asia, 2011.