Dyfyniad APA

Berelson, B. (1963). Behavioural sciences today. Harper & Row.

Dyfyniad Arddull Chicago

Berelson, Bernard. Behavioural Sciences Today. New york: Harper & Row, 1963.

Dyfyniad MLA

Berelson, Bernard. Behavioural Sciences Today. Harper & Row, 1963.

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