Gaya APA

Nielsen, Kai. (1989). Ethics Without God (2). : Prometheus Books.

Gaya Chicago

Nielsen, Kai. Ethics Without God. 2 : Prometheus Books, 1989. Non Fiction.

Gaya MLA

Nielsen, Kai. Ethics Without God. 2 : Prometheus Books, 1989. Non Fiction.

Gaya Turabian

Nielsen, Kai. Ethics Without God. 2 : Prometheus Books, 1989. Non Fiction.