ISBN-13: 9781560321439 / Angielski / Miękka / 1990 / 350 str.
First published in 1990. Routledge is an imprint of Taylor & Francis, an informa company.
Dieter Hackfort- University of Heidelberg, Heidelberg, Federal Republic of Germany. Charles D. Spielberger- University of South Florida, Tampa, Florida.
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