italiano | ita-000 |
Martin E. P. Seligman |
dansk | dan-000 | Martin Seligman |
Deutsch | deu-000 | Martin Seligman |
English | eng-000 | Martin Seligman |
Nederlands | nld-000 | Martin Seligman |
bokmål | nob-000 | Martin Seligman |
español | spa-000 | Martin Seligman |
svenska | swe-000 | Martin Seligman |