Παραπομπή σε μορφή APA (7η εκδ.)

Raya, D. E. A. (2010). Strategic and operational issues in the Philippine palm oil industry. College of Business Administration, University of the Philippines.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Raya, Danilo Erwin A. Strategic and Operational Issues in the Philippine Palm Oil Industry. Quezon City: College of Business Administration, University of the Philippines, 2010.

Παραπομπή σε μορφή MLA (9th εκδ.)

Raya, Danilo Erwin A. Strategic and Operational Issues in the Philippine Palm Oil Industry. College of Business Administration, University of the Philippines, 2010.