Haribon Foundation. (2006). An Introduction to resource valuation: The Philippine context. Haribon Foundation.
Chicago-referens (17:e uppl.)Haribon Foundation. An Introduction to Resource Valuation: The Philippine Context. Quezon City: Haribon Foundation, 2006.
MLA-referens (9:e uppl.)Haribon Foundation. An Introduction to Resource Valuation: The Philippine Context. Haribon Foundation, 2006.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.