Philippine Islands. Bureau of Forestry. (1904). El manual forestal. Bureau of Public Printing.
Citazione stile Chigago Style (17a edizione)Philippine Islands. Bureau of Forestry. El Manual Forestal. Manila: Bureau of Public Printing, 1904.
Citatione MLA (9a ed.)Philippine Islands. Bureau of Forestry. El Manual Forestal. Bureau of Public Printing, 1904.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.