(2003). Inang kalikasan ating pangalagaan. Foundation for the Philippine Environment.
Style de citation Chicago (17e éd.)Inang Kalikasan Ating Pangalagaan. Quezon City: Foundation for the Philippine Environment, 2003.
Style de citation MLA (9e éd.)Inang Kalikasan Ating Pangalagaan. Foundation for the Philippine Environment, 2003.
Attention : ces citations peuvent ne pas être correctes à 100%.