Cita APA (7th ed.)

Merz, J., & Osberg, L. (2005). Keeping in Touch - A Benefit of Public Holidays Using German Time Use diary Data.

Cita Chicago (17th ed.)

Merz, Joachim, i Lars Osberg. Keeping in Touch - A Benefit of Public Holidays Using German Time Use Diary Data. Düsseldorf, 2005.

Cita MLA (8th ed.)

Merz, Joachim, i Lars Osberg. Keeping in Touch - A Benefit of Public Holidays Using German Time Use Diary Data. 2005.