Merz, J., & Osberg, L. (2005). Keeping in Touch - A Benefit of Public Holidays Using German Time Use diary Data.
Chicago-Zitierstil (17. Ausg.)Merz, Joachim, 与 Lars Osberg. Keeping in Touch - A Benefit of Public Holidays Using German Time Use Diary Data. Düsseldorf, 2005.
MLA-Zitierstil (8. Ausg.)Merz, Joachim, 与 Lars Osberg. Keeping in Touch - A Benefit of Public Holidays Using German Time Use Diary Data. 2005.
警告：这些引文格式不一定是100％准确.