Roldan, . D. (2007). Understanding goiters. Health Today Philippines.
Cita Chicago (17th ed.)Roldan, Dante. "Understanding Goiters." Health Today Philippines 2007.
Cita MLA (9th ed.)Roldan, Dante. "Understanding Goiters." Health Today Philippines, 2007.
Atenció: Aquestes cites poden no estar 100% correctes.