APA

Torfs J., .The basis of a development program for Colombia: appendix A. National accounts, inluding national income and capital formation. Washington, D.C: BIR.

Chicago

Torfs Jacques, .The basis of a development program for Colombia: appendix A. National accounts, inluding national income and capital formation. Washington, D.C: BIR.

Harvard

Torfs J., .The basis of a development program for Colombia: appendix A. National accounts, inluding national income and capital formation. Washington, D.C: BIR.

MLA

Torfs Jacques, .Washington, D.C: BIR. .