Cita APA

Sharpe, G. W. (1982). Interpreting the enviroment (2a. ed.). New York: John Wiley & Sons.

Citación estilo Chicago

Sharpe, Grant William. Interpreting the Enviroment. 2a. ed. New York: John Wiley & Sons, 1982.

Cita MLA

Sharpe, Grant William. Interpreting the Enviroment. 2a. ed. New York: John Wiley & Sons, 1982.