Schaefer, R. T. (2013). Sociology: A brief introduction. New York: McGraw-Hill.
Trích dẫn kiểu ChicagoSchaefer, Richard T. Sociology: A Brief Introduction. New York: McGraw-Hill, 2013.
MLA引文Schaefer, Richard T. Sociology: A Brief Introduction. New York: McGraw-Hill, 2013.
警告:這些引文格式不一定是100%准確.