Brunk-Chavez. Retention, Persistence, and Writing Programs. Utah State University Press.
芝加哥风格引文Brunk-Chavez. Retention, Persistence, and Writing Programs. Utah State University Press.
MLA引文Brunk-Chavez. Retention, Persistence, and Writing Programs. Utah State University Press.
警告：这些引文格式不一定是100％准确.