De La Rama, J. E., & Galano, R. I. (1977). Intermediate economic statistics: Theory and applications. Textbook Development Committee, De La Salle University.
Chicago-viite (17. p.)De La Rama, J Eugenio, ja Rolando I. Galano. Intermediate Economic Statistics: Theory and Applications. Manila: Textbook Development Committee, De La Salle University, 1977.
MLA-viite (9. p.)De La Rama, J Eugenio, ja Rolando I. Galano. Intermediate Economic Statistics: Theory and Applications. Textbook Development Committee, De La Salle University, 1977.
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