Sorenson, H. (1964). Psychology in education (4th ed.). Mcgraw- Hill.
Chicago Style (17th ed.) ZitazioaSorenson, Herbert. Psychology in Education. 4th ed. London: Mcgraw- Hill, 1964.
MLA (9th ed.) ZitazioaSorenson, Herbert. Psychology in Education. 4th ed. Mcgraw- Hill, 1964.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.