Dyfyniad APA

Hagen, E. E. (1962). On the theroy of social change. Vakils, Feffer and Simons.

Dyfyniad Arddull Chicago

Hagen, Evertt E. On the Theroy of Social Change. Bombay: Vakils, Feffer and Simons, 1962.

Dyfyniad MLA

Hagen, Evertt E. On the Theroy of Social Change. Vakils, Feffer and Simons, 1962.

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