APA aipamena

Urbina Gaitán, C. (2012). HERBERT SPENCER’S INFLUENCE IN EL TIEMPO (1899-1900). A review of the nation, society and the costa rican culture.

Chicago Style aipamena

Urbina Gaitán, Chester. HERBERT SPENCER’S INFLUENCE IN EL TIEMPO (1899-1900). A Review of the Nation, Society and the Costa Rican Culture. 2012.

MLA aipamena

Urbina Gaitán, Chester. HERBERT SPENCER’S INFLUENCE IN EL TIEMPO (1899-1900). A Review of the Nation, Society and the Costa Rican Culture. 2012.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.