APA aipamena

Pfaff, A., & Robalino, J. (2017). Spillovers from Conservation Programs.

Chicago Style aipamena

Pfaff, Alexander, y Juan Robalino. Spillovers From Conservation Programs. 2017.

MLA aipamena

Pfaff, Alexander, y Juan Robalino. Spillovers From Conservation Programs. 2017.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.