Escalante, A. H. (1978). A study of south Sorsogon verbs.
Cita Chicago (17th ed.)Escalante, Antonio H. A Study of South Sorsogon Verbs. 1978.
Cita MLA (9th ed.)Escalante, Antonio H. A Study of South Sorsogon Verbs. 1978.
Atenció: Aquestes cites poden no estar 100% correctes.