Dyfyniad APA

Kropotkin, P. (1924). Ethics: Origin and development. London: Harrap & Co.

Dyfyniad Arddull Chicago

Kropotkin, Peter. Ethics: Origin and Development. London: Harrap & Co, 1924.

Dyfyniad MLA

Kropotkin, Peter. Ethics: Origin and Development. London: Harrap & Co, 1924.

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