Chumvichitra, P. (1976). A comparative study of trade patterns of the Philippines and Thailand: 1900-1935. Institute of Economic Development and Research, School of Economics, University of the Philippines.
Lua i Stíl Chicago (17ú heag.)Chumvichitra, Pichai. A Comparative Study of Trade Patterns of the Philippines and Thailand: 1900-1935. [Quezon City]: Institute of Economic Development and Research, School of Economics, University of the Philippines, 1976.
Lua MLA (9ú heag.)Chumvichitra, Pichai. A Comparative Study of Trade Patterns of the Philippines and Thailand: 1900-1935. Institute of Economic Development and Research, School of Economics, University of the Philippines, 1976.
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