Cita APA (7a ed.)

(1993). Economics Ed.10 /Richard G. Lipsey Et Al. HarperCollins.

Cita Chicago Style (17a ed.)

Economics Ed.10 /Richard G. Lipsey Et Al. HarperCollins, 1993.

Cita MLA (8a ed.)

Economics Ed.10 /Richard G. Lipsey Et Al. HarperCollins, 1993.