Dyfyniad APA

Bermard, H. W. (1961). Mental hygene for classroom teachers (2nd ed.). McGraw- Hill.

Dyfyniad Arddull Chicago

Bermard, Harold W. Mental Hygene for Classroom Teachers. 2nd ed. New York: McGraw- Hill, 1961.

Dyfyniad MLA

Bermard, Harold W. Mental Hygene for Classroom Teachers. 2nd ed. McGraw- Hill, 1961.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.