2012. Tawi Tawi. In Encyclopaedia Britannica Online.
https://www.britannica.com/place/Tawi-Tawi
@incollection{tawitawi2012, booktitle = {Encyclopaedia Britannica Online}, title = {Tawi Tawi}, url = {https://www.britannica.com/place/Tawi-Tawi}, year = {2012} }