Lebrilla, M. L. P. (2001). Revitalizing the Philippine shipping industry. Congressional Planning and Budget Office.
Chicago-viite (17. p.)Lebrilla, Ma. Leni P. Revitalizing the Philippine Shipping Industry. Quezon City: Congressional Planning and Budget Office, 2001.
MLA-viite (9. p.)Lebrilla, Ma. Leni P. Revitalizing the Philippine Shipping Industry. Congressional Planning and Budget Office, 2001.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.