APA aipamena

United States Information Agency. American sketchbook. Short biosketches of 21 distinguished americans.

Chicago Style aipamena

United States Information Agency. American Sketchbook. Short Biosketches of 21 Distinguished Americans.

MLA aipamena

United States Information Agency. American Sketchbook. Short Biosketches of 21 Distinguished Americans.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.