Heath, K., Ho, D., Sardinha, G., Connerley, J. A., Hera, J., & Hart, J. (2009). Sing out loud traditional songs. United States of America: Department of State.

Heath, Kelli, Daniel Ho, Greg Sardinha, John Alan Connerley, Jennifer Hera, و John Hart. Sing Out Loud Traditional Songs. United States of America: Department of State, 2009.

Heath, Kelli, et al. Sing Out Loud Traditional Songs. United States of America: Department of State, 2009.