Babbie, E. R. (1977). Society by agreement: An introduction to sociology. Wadsworth Pub.
芝加哥风格引文Babbie, Earl R. Society by Agreement: An Introduction to Sociology. Belmont, Calif: Wadsworth Pub, 1977.
MLA引文Babbie, Earl R. Society by Agreement: An Introduction to Sociology. Wadsworth Pub, 1977.
警告：这些引文格式不一定是100％准确.