Concepcion, E. J., & Malilong, F. N. V. The economic costs of cigarette smoking in 2001.
Lua i Stíl Chicago (17ú heag.)Concepcion, Edwin Joseph, agus Francis Nicholas Voltaire Malilong. The Economic Costs of Cigarette Smoking in 2001.
Lua MLA (9ú heag.)Concepcion, Edwin Joseph, agus Francis Nicholas Voltaire Malilong. The Economic Costs of Cigarette Smoking in 2001.
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