APA Style
Treffinger, Donald J. (2006).
Creative problem solving: an introduction (cet.4).
USA:
Prufrock Press.
Chicago Style
Treffinger, Donald J.
Creative problem solving: an introduction.
cet.4
USA:
Prufrock Press,
2006.
Text.
MLA Style
Treffinger, Donald J.
Creative problem solving: an introduction.
cet.4
USA:
Prufrock Press,
2006.
Text.
Turabian Style
Treffinger, Donald J.
Creative problem solving: an introduction.
cet.4
USA:
Prufrock Press,
2006.
Print.