APA

SILVIO DELACRUZ, SOUTH AMERICA EXCHANGE L., .TWO PERIODS AND MORE. New York: ANHAUSER - BUSH COMPANIES, INC.

Chicago

SILVIO DELACRUZ, SOUTH AMERICA EXCHANGE LTD, .TWO PERIODS AND MORE. New York: ANHAUSER - BUSH COMPANIES, INC.

Harvard

SILVIO DELACRUZ, SOUTH AMERICA EXCHANGE L., .TWO PERIODS AND MORE. New York: ANHAUSER - BUSH COMPANIES, INC.

MLA

SILVIO DELACRUZ, SOUTH AMERICA EXCHANGE LTD, .New York: ANHAUSER - BUSH COMPANIES, INC. .