Skelton, R. (1983). Wordsong: Twelve Ballads. Sono Nis.
Cita Chicago Style (17a ed.)Skelton, Robin. Wordsong: Twelve Ballads. Victoria, Canadá: Sono Nis, 1983.
Cita MLA (9a ed.)Skelton, Robin. Wordsong: Twelve Ballads. Sono Nis, 1983.
警告：这些引文格式不一定是100％准确.