McClanahan, S. D., & Amstutz, D. D. (1988). Steck-Vaughn GED writing skills: Mechanics, usage, sentence structure. Steck-Vaughn Co..
Dyfyniad Arddull ChicagoMcClanahan, Susan D., and Donna D. Amstutz. Steck-Vaughn GED Writing Skills: Mechanics, Usage, Sentence Structure. Austin, TX: Steck-Vaughn Co., 1988.
Dyfyniad MLAMcClanahan, Susan D., and Donna D. Amstutz. Steck-Vaughn GED Writing Skills: Mechanics, Usage, Sentence Structure. Steck-Vaughn Co., 1988.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.