Gaya APA

Piekkola, H., Snellman, K. (2005). Collective Bargaining and Wage Formation (1st ed.). Verlag, Heidelberg: Physica-Verlag.

Gaya MLA

Piekkola, Hannu.., Snellman, Kenneth.. "Collective Bargaining and Wage Formation". 1st ed. Verlag, Heidelberg: Physica-Verlag, 2005. E Book.