APA (7e ed.) Bronvermelding
ebrary, Inc, & Wendel, H. (2002). State profiles: The population and economy of each U.S. state. Bernan Press.
Chicago (17e ed.) Bronvermelding
ebrary, Inc, en Helmut Wendel. State Profiles: The Population and Economy of Each U.S. State. Lanham, MD: Bernan Press, 2002.
MLA (9e ed.) Bronvermelding
ebrary, Inc, en Helmut Wendel. State Profiles: The Population and Economy of Each U.S. State. Bernan Press, 2002.
Let op: Deze citaties zijn niet altijd 100% accuraat.