Gaya APA

Swanson, C, P., Downs, F. (NULL). No longer enemies, not yet friends An American soldier returns to ì Vietnam . New: New York: WW Norton; 1991.

Gaya MLA

Swanson, Carl, P.., Downs, Frederick. "No longer enemies, not yet friends An American soldier returns to ì Vietnam". New: New York: WW Norton; 1991, NULL. Text.