Dyfyniad APA

YOUNG, P. V. (1960). Scientific social surveys and research.-- Ed.3. Prentice-Hall.

Dyfyniad Arddull Chicago

YOUNG, Pauline V. Scientific Social Surveys and Research.-- Ed.3. New York: Prentice-Hall, 1960.

Dyfyniad MLA

YOUNG, Pauline V. Scientific Social Surveys and Research.-- Ed.3. Prentice-Hall, 1960.

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