APA aipamena

Sélser, G. (1980). Nicaragua: The Zeledón and Sandino cycle closes.

Chicago Style aipamena

Sélser, Gregorio. Nicaragua: The Zeledón and Sandino Cycle Closes. 1980.

MLA aipamena

Sélser, Gregorio. Nicaragua: The Zeledón and Sandino Cycle Closes. 1980.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.