Cita APA (7a ed.)
Engel, D. W., & Peterson, L. (2001). Passport USA: Your pocket guide to American business, culture & etiquette. World Trade Press.
Cita Chicago Style (17a ed.)
Engel, Dean W., y Larry Peterson. Passport USA: Your Pocket Guide to American Business, Culture & Etiquette. San Rafael, Calif.: World Trade Press, 2001.
Cita MLA (9a ed.)
Engel, Dean W., y Larry Peterson. Passport USA: Your Pocket Guide to American Business, Culture & Etiquette. World Trade Press, 2001.
Precaución: Estas citas no son 100% exactas.