Joseph J.J.J.HobbsJoseph J.J.J., Problems in the harvest of edible birds’ nests in Sarawak and Sabah, Malaysian Borneo, „Biodiversity & Conservation”, 13 (12), 2004, s. 2209–2226, DOI: 10.1023/B:BIOC.0000047905.79709.7f, ISSN0960-3115(ang.).
Joseph J.J.J.HobbsJoseph J.J.J., Problems in the harvest of edible birds’ nests in Sarawak and Sabah, Malaysian Borneo, „Biodiversity & Conservation”, 13 (12), 2004, s. 2209–2226, DOI: 10.1023/B:BIOC.0000047905.79709.7f, ISSN0960-3115(ang.).