APA aipamena

Urbina Gaitán, C. (2013). COSTA RICAN NATIONAL EXHIBITIONS 1917-1918.

Chicago Style aipamena

Urbina Gaitán, Chester. COSTA RICAN NATIONAL EXHIBITIONS 1917-1918. 2013.

MLA aipamena

Urbina Gaitán, Chester. COSTA RICAN NATIONAL EXHIBITIONS 1917-1918. 2013.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.