ZORC, R. David.
 Klata/Giangan: A New Southern Philippine Subgroup.
<strong>The Archive</strong>, [S.l.], v. 16, p. 33–52, aug. 2020.
ISSN 2672-295X. Available at: &lt;<a href="https://journals.upd.edu.ph/index.php/archive/article/view/9325" target="_new">https://journals.upd.edu.ph/index.php/archive/article/view/9325</a>&gt;. Date accessed: 01 oct. 2025.