Citazione Stile APA (7a Edizione)

Barros, B. A., & Gulinao, R. D. (1982). Poverty profile of Cagayan Valley: Region II. Research for Development Department, Development Academy of the Philippines.

Citazione stile Chigago Style (17a edizione)

Barros, Bruno A., e Rosario D. Gulinao. Poverty Profile of Cagayan Valley: Region II. Pasig, Metro Manila: Research for Development Department, Development Academy of the Philippines, 1982.

Citatione MLA (9a ed.)

Barros, Bruno A., e Rosario D. Gulinao. Poverty Profile of Cagayan Valley: Region II. Research for Development Department, Development Academy of the Philippines, 1982.