Nef, Jorge
Ethics and technology : ethical choices in the age of pervasive technology
Wall & Thomson, 1989
 Buku Teks SO
Medical technology, health care and the consumer
edited by Allen D. Spiegel, Donald Rubin and Shelley B. Frost
Human Science Press, 1981
 Buku Teks
Stewart, Rosemary
Choices for the manager
Prentice-Hall, 1982
 Buku Teks
United Nations Population Fund
Choices and responsibilities
UNFPA, 1994
 Buku Teks
Stewart, Rosemary
Choices for the manager
Prentice-Hall, 1982
 Buku Teks