Παραπομπή APA

Wagenaar, C., & Hofer, E. (2004). Happy: Cities and public happiness in post-war Europe. Rotterdam: NAi Publishers.

Παραπομπή Chicago Style

Wagenaar, Cor, and Elizabeth Hofer. Happy: Cities and Public Happiness in Post-war Europe. Rotterdam: NAi Publishers, 2004.

Παραπομπή MLA

Wagenaar, Cor, and Elizabeth Hofer. Happy: Cities and Public Happiness in Post-war Europe. Rotterdam: NAi Publishers, 2004.

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