Georgeoff, P. J. (1968). The social education of Bulgarian youth. University of Minnesota Press.
芝加哥风格引文Georgeoff, Peter John. The Social Education of Bulgarian Youth. Minneapolis: University of Minnesota Press, 1968.
MLA引文Georgeoff, Peter John. The Social Education of Bulgarian Youth. University of Minnesota Press, 1968.
警告：这些引文格式不一定是100％准确.