Cita APA (7th ed.)

Backus, D. K., & Crucini, M. J. (1998). Oil prices and the terms of trade. National Bureau of Economic Research.

Cita Chicago (17th ed.)

Backus, David K., i Mario J. Crucini. Oil Prices and the Terms of Trade. Cambridge: National Bureau of Economic Research, 1998.

Cita MLA (9th ed.)

Backus, David K., i Mario J. Crucini. Oil Prices and the Terms of Trade. National Bureau of Economic Research, 1998.