APA (7th ed.) Citation

De Castro, E. L. (1993). Manual in quantitative methods (Second edition.). De La Salle University Press.

Chicago Style (17th ed.) Citation

De Castro, Edgar L. Manual in Quantitative Methods. Second edition. Manila: De La Salle University Press, 1993.

MLA (9th ed.) Citation

De Castro, Edgar L. Manual in Quantitative Methods. Second edition. De La Salle University Press, 1993.