Judul asli : "Ethics : A Brief Introduction"
No Inv.: 115909-115911/P/Perp/09/3c
Bibliografi : hlm. 428-432 No Inv.: 131192/PH/Perp/12/1c
Bibliografi : hlm. 187-203
Bibliografi : hlm. 309-311 No Inv.: 135814/SM/Perp/14/1c
Bibliografi : hlm. 267-272
No Inv.: 134366/SM/Perp/13/1c~134984/SM/Perp/13/1c
Bibliografi hal :353 -360