Bicol River Basic Council. (1975). Project feasibility study of Libmanan: Cabusao integrated development. The Council.
Chicago-Zitierstil (17. Ausg.)Bicol River Basic Council. Project Feasibility Study of Libmanan: Cabusao Integrated Development. Camarines Sur: The Council, 1975.
MLA-Zitierstil (9. Ausg.)Bicol River Basic Council. Project Feasibility Study of Libmanan: Cabusao Integrated Development. The Council, 1975.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.