APA-čujuhus (7. p.)
Büttikofer, J., Dop, H., & Robinson, P. T. (2013). Travel sketches from Liberia: Johann Büttikofer's 19th century rainforest explorations in West Africa : annotated English edition (Annotated English ed.). Brill.
Chicago-čujuhus (17. p.)
Büttikofer, Johann, Henk Dop, juo Phillip T. Robinson. Travel Sketches from Liberia: Johann Büttikofer's 19th Century Rainforest Explorations in West Africa : Annotated English Edition. Annotated English ed. Leiden ; Boston: Brill, 2013.
MLA-čujuhus (9. p.)
Büttikofer, Johann, et al. Travel Sketches from Liberia: Johann Büttikofer's 19th Century Rainforest Explorations in West Africa : Annotated English Edition. Annotated English ed. Brill, 2013.
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