Gaya APA

Feinberg, J, S., Feinberg, P, D. (1993). Ethics for a brave new world (Cetakan 15). Illinois: Crossway Book.

Gaya MLA

Feinberg, John, S.., Feinberg, Paul, D.. "Ethics for a brave new world". Cetakan 15 Illinois: Crossway Book, 1993. Text.