ebrary, Inc, Robbins, M. M., & Boesch, C. (2011). Among African apes: Stories and photos from the field. University of California Press.
Citace podle Chicago (17th ed.)ebrary, Inc, Martha M. Robbins, a Christophe Boesch. Among African Apes: Stories and Photos from the Field. Berkeley: University of California Press, 2011.
Citace podle MLA (9th ed.)ebrary, Inc, et al. Among African Apes: Stories and Photos from the Field. University of California Press, 2011.
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