Amos, J. (2004). Problem Solvers Why be bossy? KANISIUS.
Chicago Style aipamenaAmos, Janine. Problem Solvers Why Be Bossy? KANISIUS, 2004.
MLA aipamenaAmos, Janine. Problem Solvers Why Be Bossy? KANISIUS, 2004.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.