Cook, G. E., Farnum, M., Gabriekson, T. R., Gillet, J. W., & Temple, C. (1996). Macmillan/McGraw - Hill spelling: Vocabulary and writing. Macmillan / McGraw - Hill.
Lua i Stíl Chicago (17ú heag.)Cook, Gillian Elizabeth, Marisa Farnum, Terry R. Gabriekson, Jean Wallace Gillet, agus Charles Temple. Macmillan/McGraw - Hill Spelling: Vocabulary and Writing. New York: Macmillan / McGraw - Hill, 1996.
Lua MLA (8ú heag.)Cook, Gillian Elizabeth, et al. Macmillan/McGraw - Hill Spelling: Vocabulary and Writing. Macmillan / McGraw - Hill, 1996.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.