Klinkhammer, J. (2009). Student Pieces: A Second Look at Problem Solving. e-Publications@Marquette.
Chicago Style aipamenaKlinkhammer, John. Student Pieces: A Second Look at Problem Solving. e-Publications@Marquette, 2009.
MLA aipamenaKlinkhammer, John. Student Pieces: A Second Look at Problem Solving. e-Publications@Marquette, 2009.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.