Ferreira, L. A. (1978). Verbs in action: Intermadiate drills. Newbury House.
芝加哥风格引文Ferreira, Linda A. Verbs in Action: Intermadiate Drills. Rowley, Mass: Newbury House, 1978.
MLA引文Ferreira, Linda A. Verbs in Action: Intermadiate Drills. Newbury House, 1978.
警告：这些引文格式不一定是100％准确.