APA

(1995). Doing business in the United States. Estados Unidos de América: Price Waterhouse.

Chicago

1995. Doing business in the United States. Estados Unidos de América: Price Waterhouse.

Harvard

(1995). Doing business in the United States. Estados Unidos de América: Price Waterhouse.

MLA

Doing business in the United States. Estados Unidos de América: Price Waterhouse. 1995.