Citazione Stile APA (7a Edizione)

Umana, S. C., & Arriola, V. C. (1964). A general socio-economic survey of the province of Antique. Asian Social Institute, Research Department.

Citazione stile Chigago Style (17a edizione)

Umana, Salvador C., e Virgilio C. Arriola. A General Socio-economic Survey of the Province of Antique. Manila: Asian Social Institute, Research Department, 1964.

Citatione MLA (9a ed.)

Umana, Salvador C., e Virgilio C. Arriola. A General Socio-economic Survey of the Province of Antique. Asian Social Institute, Research Department, 1964.