APA aipamena

(1992). Batak: Of North Sumatra. San Francisco: New Albion.

Chicago Style aipamena

Batak: Of North Sumatra. San Francisco: New Albion, 1992.

MLA aipamena

Batak: Of North Sumatra. San Francisco: New Albion, 1992.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.