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↑"Bahasa Kau". www.ethnologue.com (dalam bahasa Inggris). SIL Ethnologue.
↑"Adagum". Peta Bahasa. Diakses tanggal 2024-05-31.
↑Antoni, Alexander de (2010). ""Call Us Kau, Not Citak." Constitutive Factors for the Ethnic Consciousness of an Asmat Subgroup". Anthropos. 105 (2). Nomos Verlag: 411–422. doi:10.5771/0257-9774-2010-2-411. ISSN0257-9774.