Dyfyniad APA

Sidgwick,Henry. (1993). The Methods of ethics. SBW Publishers.

Dyfyniad Arddull Chicago

Sidgwick,Henry. The Methods of Ethics. New Delhi: SBW Publishers, 1993.

Dyfyniad MLA

Sidgwick,Henry. The Methods of Ethics. SBW Publishers, 1993.

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