Cita APA (7th ed.)

Dionela, I. Costs in the conservation of hornbills found in Northwest and Central Panay.

Cita Chicago (17th ed.)

Dionela, Isagani. Costs in the Conservation of Hornbills Found in Northwest and Central Panay. 2005.

Cita MLA (9th ed.)

Dionela, Isagani. Costs in the Conservation of Hornbills Found in Northwest and Central Panay.