Philippines Department of Tourism Region V, Bicol Region. (1997). Bicol region 1997 situation report. Department of Tourism. Region V.
Chicago-Zitierstil (17. Ausg.)Philippines Department of Tourism Region V, Bicol Region. Bicol Region 1997 Situation Report. Legazpi City: Department of Tourism. Region V, 1997.
MLA-Zitierstil (9. Ausg.)Philippines Department of Tourism Region V, Bicol Region. Bicol Region 1997 Situation Report. Department of Tourism. Region V, 1997.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.