APA (7e ed.) Bronvermelding

Rio, W. S., Ortigas, I. L., & Seneriches, C. J. (1979). The impact of Iloilo airport expansion: Variables and progress indicators. Philippine Center for Economic Development.

Chicago (17e ed.) Bronvermelding

Rio, Walden S., Irene L. Ortigas, en Candido Jr Seneriches. The Impact of Iloilo Airport Expansion: Variables and Progress Indicators. Quezon City: Philippine Center for Economic Development, 1979.

MLA (9e ed.) Bronvermelding

Rio, Walden S., et al. The Impact of Iloilo Airport Expansion: Variables and Progress Indicators. Philippine Center for Economic Development, 1979.