Dyfyniad APA

Young, P. V. (1984). Scientific social surveys and reserach/4e (4th ed.). Prentice hall of India.

Dyfyniad Arddull Chicago

Young, Pauline V. Scientific Social Surveys and Reserach/4e. 4th ed. New Delhi: Prentice hall of India, 1984.

Dyfyniad MLA

Young, Pauline V. Scientific Social Surveys and Reserach/4e. 4th ed. Prentice hall of India, 1984.

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