Dyfyniad APA

Calvert, P. (1990). Revolution and couter-revolution. Open University.

Dyfyniad Arddull Chicago

Calvert, Peter. Revolution and Couter-revolution. Buckingham: Open University, 1990.

Dyfyniad MLA

Calvert, Peter. Revolution and Couter-revolution. Open University, 1990.

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