APA aipamena

Hudgins, B. B. (1966). Problem solving in the classroom. Mac Millan.

Chicago Style aipamena

Hudgins, Bryce B. Problem Solving in the Classroom. Mac Millan, 1966.

MLA aipamena

Hudgins, Bryce B. Problem Solving in the Classroom. Mac Millan, 1966.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.