APA aipamena

Díaz Porras, R. A., Cartín Rojas, A., & Alvarado Ruiz, J. M. (2020). Institutional purchases program in Costa Rica: Productive policy questioned but socially necessary.

Chicago Style aipamena

Díaz Porras, Rafael Antonio, Andrés Cartín Rojas, y José Mario Alvarado Ruiz. Institutional Purchases Program in Costa Rica: Productive Policy Questioned but Socially Necessary. 2020.

MLA aipamena

Díaz Porras, Rafael Antonio, Andrés Cartín Rojas, y José Mario Alvarado Ruiz. Institutional Purchases Program in Costa Rica: Productive Policy Questioned but Socially Necessary. 2020.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.