APA način citiranja

Littmann, E. Publications of the Princeton Expedition to Abyssinia. Leyden.

Čikaški stil citiranja

Littmann, Enno. Publications of the Princeton Expedition to Abyssinia. Leyden.

MLA način citiranja

Littmann, Enno. Publications of the Princeton Expedition to Abyssinia. Leyden.

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