Jimenez, R. D. (1973). An inventory of resources in the Bicol region. Cooperative Regional Development Project, National Development Research Center, University of the Philippines.
Chicago-viite (17. p.)Jimenez, Rosario D. An Inventory of Resources in the Bicol Region. Quezon City: Cooperative Regional Development Project, National Development Research Center, University of the Philippines, 1973.
MLA-viite (9. p.)Jimenez, Rosario D. An Inventory of Resources in the Bicol Region. Cooperative Regional Development Project, National Development Research Center, University of the Philippines, 1973.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.