APA (7e ed.) Bronvermelding
Engel, D. W., & Peterson, L. (2001). Passport USA: Your pocket guide to American business, culture & etiquette. World Trade Press.
Chicago (17e ed.) Bronvermelding
Engel, Dean W., en Larry Peterson. Passport USA: Your Pocket Guide to American Business, Culture & Etiquette. San Rafael, Calif.: World Trade Press, 2001.
MLA (9e ed.) Bronvermelding
Engel, Dean W., en Larry Peterson. Passport USA: Your Pocket Guide to American Business, Culture & Etiquette. World Trade Press, 2001.
Let op: Deze citaties zijn niet altijd 100% accuraat.