Bautista, R. M., & Tecson, G. d. R. (1975). Philippine import flows from Japan and the United States: Accuracy of trade recordings. Institute of Economic Development and Research, School of Economics, University of the Philippines.

Bautista, Romeo Marcelo, and Gwendolyn del Rosario Tecson. Philippine Import Flows from Japan and the United States: Accuracy of Trade Recordings. [Quezon City]: Institute of Economic Development and Research, School of Economics, University of the Philippines, 1975.

Bautista, Romeo Marcelo, and Gwendolyn del Rosario Tecson. Philippine Import Flows from Japan and the United States: Accuracy of Trade Recordings. Institute of Economic Development and Research, School of Economics, University of the Philippines, 1975.