APA (7e ed.) Bronvermelding

Parel, C. P., Caldito, G. C., Ferrer, P. L., de Guzman, G. G., Sinsioco, C. S., & tan, R. H. (1979). Data analysis and interpretation (Trial ed.). Philippine Social Science Council.

Chicago (17e ed.) Bronvermelding

Parel, Cristina P., Gloria C. Caldito, Pilar L. Ferrer, Generoso G. de Guzman, Ceferino S. Sinsioco, en Rudy H. tan. Data Analysis and Interpretation. Trial ed. Quezon City: Philippine Social Science Council, 1979.

MLA (9e ed.) Bronvermelding

Parel, Cristina P., et al. Data Analysis and Interpretation. Trial ed. Philippine Social Science Council, 1979.