APA (7e ed.) Bronvermelding

Galang, A. P. (2009). The Philippine environment in the ecozoic age: Principles of environmental science in the Philippine setting. Anvil Pub.

Chicago (17e ed.) Bronvermelding

Galang, Angelina P. The Philippine Environment in the Ecozoic Age: Principles of Environmental Science in the Philippine Setting. Pasig City: Anvil Pub, 2009.

MLA (9e ed.) Bronvermelding

Galang, Angelina P. The Philippine Environment in the Ecozoic Age: Principles of Environmental Science in the Philippine Setting. Anvil Pub, 2009.