Roenneberg, T. (2012). Internal time: Chronotypes, social jet lag, and why you're so tired. Harvard University Press.
芝加哥风格引文Roenneberg, Till. Internal Time: Chronotypes, Social Jet Lag, and Why You're so Tired. Cambridge, Mass.: Harvard University Press, 2012.
MLA引文Roenneberg, Till. Internal Time: Chronotypes, Social Jet Lag, and Why You're so Tired. Harvard University Press, 2012.
警告：这些引文格式不一定是100％准确.