Roper Organization. (1987). The American Chicle Youth Poll: [a landmark study on the attitudes of American youth]. Public Affairs Dep., Warner-Lambert Co.
Cita Chicago Style (17a ed.)Roper Organization. The American Chicle Youth Poll: [a Landmark Study on the Attitudes of American Youth]. Morris Plains, NJ: Public Affairs Dep., Warner-Lambert Co, 1987.
Cita MLA (8a ed.)Roper Organization. The American Chicle Youth Poll: [a Landmark Study on the Attitudes of American Youth]. Public Affairs Dep., Warner-Lambert Co, 1987.
Precaución: Estas citas no son 100% exactas.