APA (7th ed.) Zitazioa

Smith, R. M. (1969). Teacher dignosis of educational difficulties. Charles E.Merrill.

Chicago Style (17th ed.) Zitazioa

Smith, Robert M. Teacher Dignosis of Educational Difficulties. Columbus: Charles E.Merrill, 1969.

MLA (9th ed.) Zitazioa

Smith, Robert M. Teacher Dignosis of Educational Difficulties. Charles E.Merrill, 1969.