Dunckel, E. B. (1970). The business environment of the seventies: A trend analysis for business planning. New York: McGraw- Hill.
Citação norma ChicagoDunckel, Earl B. The Business Environment of the Seventies: A Trend Analysis for Business Planning. New York: McGraw- Hill, 1970.
Citação norma MLADunckel, Earl B. The Business Environment of the Seventies: A Trend Analysis for Business Planning. New York: McGraw- Hill, 1970.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.