Cita APA (7th ed.)

(2014). The state of Philippine birds. Haribon Foundation for the Conservation of Natural Resources, Inc.

Cita Chicago (17th ed.)

The State of Philippine Birds. Quezon City: Haribon Foundation for the Conservation of Natural Resources, Inc, 2014.

Cita MLA (9th ed.)

The State of Philippine Birds. Haribon Foundation for the Conservation of Natural Resources, Inc, 2014.